ManifestStore_schema_edited.json

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "ManifestStore",
  "description": "A Container for a set of Manifests and a ValidationStatus list.",
  "type": "object",
  "required": [
    "manifests"
  ],
  "properties": {
    "active_manifest": {
      "description": "A label for the active (most recent) manifest in the store.",
      "type": [
        "string",
        "null"
      ]
    },
    "manifests": {
      "description": "A HashMap of Manifests.",
      "type": "object",
      "additionalProperties": {
        "$ref": "#/definitions/Manifest"
      }
    },
    "validation_status": {
      "description": "ValidationStatus generated when loading the ManifestStore from an asset.",
      "type": [
        "array",
        "null"
      ],
      "items": {
        "$ref": "#/definitions/ValidationStatus"
      }
    }
  },
  "definitions": {
    "Actor": {
      "description": "Identifies a person responsible for an action.",
      "type": "object",
      "properties": {
        "credentials": {
          "description": "List of references to W3C Verifiable Credentials.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/HashedUri"
          }
        },
        "identifier": {
          "description": "An identifier for a human actor, used when the \"type\" is `humanEntry.identified`.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "AssetType": {
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "type": {
          "type": "string"
        },
        "version": {
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "ClaimGeneratorInfo": {
      "description": "Description of the claim generator, or the software used in generating the claim.\n\nThis structure is also used for actions softwareAgent",
      "type": "object",
      "required": [
        "name"
      ],
      "properties": {
        "icon": {
          "description": "hashed URI to the icon (either embedded or remote)",
          "anyOf": [
            {
              "$ref": "#/definitions/UriOrResource"
            },
            {
              "type": "null"
            }
          ]
        },
        "name": {
          "description": "A human readable string naming the claim_generator",
          "type": "string"
        },
        "version": {
          "description": "A human readable string of the product's version",
          "type": [
            "string",
            "null"
          ]
        }
      },
      "additionalProperties": true
    },
    "Coordinate": {
      "description": "An x, y coordinate used for specifying vertices in polygons.",
      "type": "object",
      "required": [
        "x",
        "y"
      ],
      "properties": {
        "x": {
          "description": "The coordinate along the x-axis.",
          "type": "number",
          "format": "double"
        },
        "y": {
          "description": "The coordinate along the y-axis.",
          "type": "number",
          "format": "double"
        }
      }
    },
    "DataSource": {
      "description": "A description of the source for assertion data",
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "actors": {
          "description": "A list of [`Actor`]s associated with this source.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/Actor"
          }
        },
        "details": {
          "description": "A human-readable string giving details about the source of the assertion data.",
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "description": "A value from among the enumerated list indicating the source of the assertion.",
          "type": "string"
        }
      }
    },
    "Frame": {
      "description": "A frame range representing starting and ending frames or pages.\n\nIf both `start` and `end` are missing, the frame will span the entire asset.",
      "type": "object",
      "properties": {
        "end": {
          "description": "The end of the frame inclusive or the end of the asset if not present.",
          "type": [
            "integer",
            "null"
          ],
          "format": "int32"
        },
        "start": {
          "description": "The start of the frame or the end of the asset if not present.\n\nThe first frame/page starts at 0.",
          "type": [
            "integer",
            "null"
          ],
          "format": "int32"
        }
      }
    },
    "HashedUri": {
      "description": "Hashed Uri structure as defined by C2PA spec It is annotated to produce the correctly tagged cbor serialization",
      "type": "object",
      "required": [
        "hash",
        "url"
      ],
      "properties": {
        "alg": {
          "type": [
            "string",
            "null"
          ]
        },
        "hash": {
          "type": "array",
          "items": {
            "type": "integer",
            "format": "uint8",
            "minimum": 0.0
          }
        },
        "url": {
          "type": "string"
        }
      }
    },
    "Ingredient": {
      "description": "An `Ingredient` is any external asset that has been used in the creation of an asset.",
      "type": "object",
      "required": [
        "title"
      ],
      "properties": {
        "active_manifest": {
          "description": "The active manifest label (if one exists).\n\nIf this ingredient has a [`ManifestStore`](crate::ManifestStore) , this will hold the label of the active [`Manifest`](crate::Manifest).",
          "type": [
            "string",
            "null"
          ]
        },
        "data": {
          "description": "A reference to the actual data of the ingredient.",
          "anyOf": [
            {
              "$ref": "#/definitions/ResourceRef"
            },
            {
              "type": "null"
            }
          ]
        },
        "data_types": {
          "description": "Additional information about the data's type to the ingredient V2 structure.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/AssetType"
          }
        },
        "description": {
          "description": "Additional description of the ingredient.",
          "type": [
            "string",
            "null"
          ]
        },
        "document_id": {
          "description": "Document ID from `xmpMM:DocumentID` in XMP metadata.",
          "type": [
            "string",
            "null"
          ]
        },
        "format": {
          "description": "The format of the source file as a MIME type.",
          "default": "application/octet-stream",
          "type": "string"
        },
        "hash": {
          "description": "An optional hash of the asset to prevent duplicates.",
          "type": [
            "string",
            "null"
          ]
        },
        "informational_URI": {
          "description": "URI to an informational page about the ingredient or its data.",
          "type": [
            "string",
            "null"
          ]
        },
        "instance_id": {
          "description": "Instance ID from `xmpMM:InstanceID` in XMP metadata.",
          "type": [
            "string",
            "null"
          ]
        },
        "manifest_data": {
          "description": "A [`ManifestStore`] from the source asset extracted as a binary C2PA blob.\n\n[`ManifestStore`]: crate::ManifestStore",
          "anyOf": [
            {
              "$ref": "#/definitions/ResourceRef"
            },
            {
              "type": "null"
            }
          ]
        },
        "metadata": {
          "description": "Any additional [`Metadata`] as defined in the C2PA spec.\n\n[`Metadata`]: crate::Manifest",
          "anyOf": [
            {
              "$ref": "#/definitions/Metadata"
            },
            {
              "type": "null"
            }
          ]
        },
        "provenance": {
          "description": "URI from `dcterms:provenance` in XMP metadata.",
          "type": [
            "string",
            "null"
          ]
        },
        "relationship": {
          "description": "Set to `ParentOf` if this is the parent ingredient.\n\nThere can only be one parent ingredient in the ingredients.",
          "default": "componentOf",
          "allOf": [
            {
              "$ref": "#/definitions/Relationship"
            }
          ]
        },
        "thumbnail": {
          "description": "A thumbnail image capturing the visual state at the time of import.\n\nA tuple of thumbnail MIME format (for example `image/jpeg`) and binary bits of the image.",
          "anyOf": [
            {
              "$ref": "#/definitions/ResourceRef"
            },
            {
              "type": "null"
            }
          ]
        },
        "title": {
          "description": "A human-readable title, generally source filename.",
          "type": "string"
        },
        "validation_status": {
          "description": "Validation results.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/ValidationStatus"
          }
        }
      }
    },
    "Manifest": {
      "description": "A Manifest represents all the information in a c2pa manifest",
      "type": "object",
      "properties": {
        "assertions": {
          "description": "A list of assertions",
          "default": [],
          "type": "array",
          "items": {
            "$ref": "#/definitions/ManifestAssertion"
          }
        },
        "claim_generator": {
          "description": "A User Agent formatted string identifying the software/hardware/system produced this claim Spaces are not allowed in names, versions can be specified with product/1.0 syntax",
          "default": "c2pa/0.36.3",
          "type": "string"
        },
        "claim_generator_info": {
          "description": "A list of claim generator info data identifying the software/hardware/system produced this claim",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/ClaimGeneratorInfo"
          }
        },
        "credentials": {
          "description": "A List of verified credentials",
          "type": [
            "array",
            "null"
          ],
          "items": true
        },
        "format": {
          "description": "The format of the source file as a MIME type.",
          "default": "application/octet-stream",
          "type": "string"
        },
        "ingredients": {
          "description": "A List of ingredients",
          "default": [],
          "type": "array",
          "items": {
            "$ref": "#/definitions/Ingredient"
          }
        },
        "instance_id": {
          "description": "Instance ID from `xmpMM:InstanceID` in XMP metadata.",
          "default": "xmp:iid:eafef862-379d-44a1-99f7-2ead485e279d",
          "type": "string"
        },
        "label": {
          "type": [
            "string",
            "null"
          ]
        },
        "metadata": {
          "description": "A list of user metadata for this claim",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/Metadata"
          }
        },
        "redactions": {
          "description": "A list of redactions - URIs to a redacted assertions",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "type": "string"
          }
        },
        "signature_info": {
          "description": "Signature data (only used for reporting)",
          "anyOf": [
            {
              "$ref": "#/definitions/SignatureInfo"
            },
            {
              "type": "null"
            }
          ]
        },
        "thumbnail": {
          "anyOf": [
            {
              "$ref": "#/definitions/ResourceRef"
            },
            {
              "type": "null"
            }
          ]
        },
        "title": {
          "description": "A human-readable title, generally source filename.",
          "type": [
            "string",
            "null"
          ]
        },
        "vendor": {
          "description": "Optional prefix added to the generated Manifest Label This is typically Internet domain name for the vendor (i.e. `adobe`)",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "ManifestAssertion": {
      "description": "A labeled container for an Assertion value in a Manifest",
      "type": "object",
      "required": [
        "data",
        "label"
      ],
      "properties": {
        "data": {
          "description": "The data of the assertion as Value",
          "allOf": [
            {
              "$ref": "#/definitions/ManifestData"
            }
          ]
        },
        "instance": {
          "description": "There can be more than one assertion for any label",
          "type": [
            "integer",
            "null"
          ],
          "format": "uint",
          "minimum": 0.0
        },
        "kind": {
          "description": "The [ManifestAssertionKind](crate::ManifestAssertionKind) for this assertion (as stored in c2pa content)",
          "anyOf": [
            {
              "$ref": "#/definitions/ManifestAssertionKind"
            },
            {
              "type": "null"
            }
          ]
        },
        "label": {
          "description": "An assertion label in reverse domain format",
          "type": "string"
        }
      }
    },
    "ManifestAssertionKind": {
      "description": "Assertions in C2PA can be stored in several formats",
      "type": "string",
      "enum": [
        "Cbor",
        "Json",
        "Binary",
        "Uri"
      ]
    },
    "ManifestData": {
      "anyOf": [
        true,
        {
          "type": "array",
          "items": {
            "type": "integer",
            "format": "uint8",
            "minimum": 0.0
          }
        }
      ]
    },
    "Metadata": {
      "description": "The Metadata structure can be used as part of other assertions or on its own to reference others",
      "type": "object",
      "properties": {
        "dataSource": {
          "anyOf": [
            {
              "$ref": "#/definitions/DataSource"
            },
            {
              "type": "null"
            }
          ]
        },
        "dateTime": {
          "type": "string",
          "description": "A date time in ISO 8601 format."
        },
        "reference": {
          "anyOf": [
            {
              "$ref": "#/definitions/HashedUri"
            },
            {
              "type": "null"
            }
          ]
        },
        "regionOfInterest": {
          "anyOf": [
            {
              "$ref": "#/definitions/RegionOfInterest"
            },
            {
              "type": "null"
            }
          ]
        },
        "reviewRatings": {
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/ReviewRating"
          }
        }
      },
      "additionalProperties": true
    },
    "Range": {
      "description": "A spatial, temporal, frame, or textual range describing the region of interest.",
      "type": "object",
      "required": [
        "type"
      ],
      "properties": {
        "frame": {
          "description": "A frame range.",
          "anyOf": [
            {
              "$ref": "#/definitions/Frame"
            },
            {
              "type": "null"
            }
          ]
        },
        "shape": {
          "description": "A spatial range.",
          "anyOf": [
            {
              "$ref": "#/definitions/Shape"
            },
            {
              "type": "null"
            }
          ]
        },
        "text": {
          "description": "A textual range.",
          "anyOf": [
            {
              "$ref": "#/definitions/Text"
            },
            {
              "type": "null"
            }
          ]
        },
        "time": {
          "description": "A temporal range.",
          "anyOf": [
            {
              "$ref": "#/definitions/Time"
            },
            {
              "type": "null"
            }
          ]
        },
        "type": {
          "description": "The type of range of interest.",
          "allOf": [
            {
              "$ref": "#/definitions/RangeType"
            }
          ]
        }
      }
    },
    "RangeType": {
      "description": "The type of range for the region of interest.",
      "oneOf": [
        {
          "description": "A spatial range, see [`Shape`](#shape) for more details.\n\n",
          "type": "string",
          "enum": [
            "spatial"
          ]
        },
        {
          "description": "A temporal range, see [`Time`](#time) for more details.",
          "type": "string",
          "enum": [
            "temporal"
          ]
        },
        {
          "description": "A spatial range, see [`Frame`](#frame) for more details.",
          "type": "string",
          "enum": [
            "frame"
          ]
        },
        {
          "description": "A textual range, see [`Text`](#text) for more details.",
          "type": "string",
          "enum": [
            "textual"
          ]
        }
      ]
    },
    "RegionOfInterest": {
      "description": "A region of interest within an asset describing the change.\n\nThis struct can be used from [`Action::changes`](https://docs.rs/c2pa/latest/c2pa/assertions/struct.Action.html#method.changes) or [`Metadata::region_of_interest`](https://docs.rs/c2pa/latest/c2pa/assertions/struct.Metadata.html#method.region_of_interest).",
      "type": "object",
      "required": [
        "region"
      ],
      "properties": {
        "description": {
          "description": "A free-text string.",
          "type": [
            "string",
            "null"
          ]
        },
        "identifier": {
          "description": "A free-text string representing a machine-readable, unique to this assertion, identifier for the region.",
          "type": [
            "string",
            "null"
          ]
        },
        "metadata": {
          "description": "Additional information about the asset.",
          "anyOf": [
            {
              "$ref": "#/definitions/Metadata"
            },
            {
              "type": "null"
            }
          ]
        },
        "name": {
          "description": "A free-text string representing a human-readable name for the region which might be used in a user interface.",
          "type": [
            "string",
            "null"
          ]
        },
        "region": {
          "description": "A range describing the region of interest for the specific asset.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/Range"
          }
        },
        "role": {
          "description": "A value from our controlled vocabulary or an entity-specific value (e.g., com.litware.coolArea) that represents the role of a region among other regions.",
          "anyOf": [
            {
              "$ref": "#/definitions/Role"
            },
            {
              "type": "null"
            }
          ]
        },
        "type": {
          "description": "A value from a controlled vocabulary such as <https://cv.iptc.org/newscodes/imageregiontype/> or an entity-specific value (e.g., com.litware.newType) that represents the type of thing(s) depicted by a region.\n\nNote this field serializes/deserializes into the name `type`.",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "Relationship": {
      "type": "string",
      "enum": [
        "parentOf",
        "componentOf",
        "inputTo"
      ]
    },
    "ResourceRef": {
      "description": "A reference to a resource to be used in JSON serialization.\n\nThe underlying data can be read as a stream via [`Reader::resource_to_stream`](https://docs.rs/c2pa/latest/c2pa/struct.Reader.html#method.resource_to_stream).",
      "type": "object",
      "required": [
        "format",
        "identifier"
      ],
      "properties": {
        "alg": {
          "description": "The algorithm used to hash the resource (if applicable).",
          "type": [
            "string",
            "null"
          ]
        },
        "data_types": {
          "description": "More detailed data types as defined in the C2PA spec.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/AssetType"
          }
        },
        "format": {
          "description": "The mime type of the referenced resource.",
          "type": "string"
        },
        "hash": {
          "description": "The hash of the resource (if applicable).",
          "type": [
            "string",
            "null"
          ]
        },
        "identifier": {
          "description": "A URI that identifies the resource as referenced from the manifest.\n\nThis may be a JUMBF URI, a file path, a URL or any other string. Relative JUMBF URIs will be resolved with the manifest label. Relative file paths will be resolved with the base path if provided.",
          "type": "string"
        }
      }
    },
    "ReviewRating": {
      "description": "A rating on an [`Assertion`](crate::ManifestAssertion).\n\n See [Review Ratings in C2PA spec](https://c2pa.org/specifications/specifications/1.4/specs/C2PA_Specification.html#_review_ratings.)",
      "type": "object",
      "required": [
        "explanation",
        "value"
      ],
      "properties": {
        "code": {
          "type": [
            "string",
            "null"
          ]
        },
        "explanation": {
          "type": "string"
        },
        "value": {
          "type": "integer",
          "format": "uint8",
          "minimum": 0.0
        }
      }
    },
    "Role": {
      "description": "A role describing the region.",
      "oneOf": [
        {
          "description": "Arbitrary area worth identifying.",
          "type": "string",
          "enum": [
            "c2pa.areaOfInterest"
          ]
        },
        {
          "description": "This area is all that is left after a crop action.",
          "type": "string",
          "enum": [
            "c2pa.cropped"
          ]
        },
        {
          "description": "This area has had edits applied to it.",
          "type": "string",
          "enum": [
            "c2pa.edited"
          ]
        },
        {
          "description": "The area where an ingredient was placed/added.",
          "type": "string",
          "enum": [
            "c2pa.placed"
          ]
        },
        {
          "description": "Something in this area was redacted.",
          "type": "string",
          "enum": [
            "c2pa.redacted"
          ]
        },
        {
          "description": "Area specific to a subject (human or not).",
          "type": "string",
          "enum": [
            "c2pa.subjectArea"
          ]
        },
        {
          "description": "A range of information was removed/deleted.",
          "type": "string",
          "enum": [
            "c2pa.deleted"
          ]
        },
        {
          "description": "Styling was applied to this area.",
          "type": "string",
          "enum": [
            "c2pa.styled"
          ]
        },
        {
          "description": "Invisible watermarking was applied to this area for the purpose of soft binding.",
          "type": "string",
          "enum": [
            "c2pa.watermarked"
          ]
        }
      ]
    },
    "Shape": {
      "description": "A spatial range representing rectangle, circle, or a polygon.",
      "type": "object",
      "required": [
        "origin",
        "type",
        "unit"
      ],
      "properties": {
        "height": {
          "description": "The height of a rectnagle.\n\nThis field can be ignored for circles and polygons.",
          "type": [
            "number",
            "null"
          ],
          "format": "double"
        },
        "inside": {
          "description": "If the range is inside the shape.\n\nThe default value is true.",
          "type": [
            "boolean",
            "null"
          ]
        },
        "origin": {
          "description": "THe origin of the coordinate in the shape.",
          "allOf": [
            {
              "$ref": "#/definitions/Coordinate"
            }
          ]
        },
        "type": {
          "description": "The type of shape.",
          "allOf": [
            {
              "$ref": "#/definitions/ShapeType"
            }
          ]
        },
        "unit": {
          "description": "The type of unit for the shape range.",
          "allOf": [
            {
              "$ref": "#/definitions/UnitType"
            }
          ]
        },
        "vertices": {
          "description": "The vertices of the polygon.\n\nThis field can be ignored for rectangles and circles.",
          "type": [
            "array",
            "null"
          ],
          "items": {
            "$ref": "#/definitions/Coordinate"
          }
        },
        "width": {
          "description": "The width for rectangles or diameter for circles.\n\nThis field can be ignored for polygons.",
          "type": [
            "number",
            "null"
          ],
          "format": "double"
        }
      }
    },
    "ShapeType": {
      "description": "The type of shape for the range.",
      "oneOf": [
        {
          "description": "A rectangle.",
          "type": "string",
          "enum": [
            "rectangle"
          ]
        },
        {
          "description": "A circle.",
          "type": "string",
          "enum": [
            "circle"
          ]
        },
        {
          "description": "A polygon.",
          "type": "string",
          "enum": [
            "polygon"
          ]
        }
      ]
    },
    "SignatureInfo": {
      "description": "Holds information about a signature",
      "type": "object",
      "properties": {
        "alg": {
          "description": "human readable issuing authority for this signature",
          "anyOf": [
            {
              "$ref": "#/definitions/SigningAlg"
            },
            {
              "type": "null"
            }
          ]
        },
        "cert_serial_number": {
          "description": "The serial number of the certificate",
          "type": [
            "string",
            "null"
          ]
        },
        "issuer": {
          "description": "human readable issuing authority for this signature",
          "type": [
            "string",
            "null"
          ]
        },
        "revocation_status": {
          "description": "revocation status of the certificate",
          "type": [
            "boolean",
            "null"
          ]
        },
        "time": {
          "description": "the time the signature was created",
          "type": [
            "string",
            "null"
          ]
        }
      }
    },
    "SigningAlg": {
      "description": "Describes the digital signature algorithms allowed by the [C2PA spec](https://c2pa.org/specifications/specifications/1.4/specs/C2PA_Specification.html#_digital_signatures):\n\n> All digital signatures that are stored in a C2PA Manifest shall be generated using one of the digital signature algorithms and key types listed as described in this section.",
      "oneOf": [
        {
          "description": "ECDSA with SHA-256",
          "type": "string",
          "enum": [
            "Es256"
          ]
        },
        {
          "description": "ECDSA with SHA-384",
          "type": "string",
          "enum": [
            "Es384"
          ]
        },
        {
          "description": "ECDSA with SHA-512",
          "type": "string",
          "enum": [
            "Es512"
          ]
        },
        {
          "description": "RSASSA-PSS using SHA-256 and MGF1 with SHA-256",
          "type": "string",
          "enum": [
            "Ps256"
          ]
        },
        {
          "description": "RSASSA-PSS using SHA-384 and MGF1 with SHA-384",
          "type": "string",
          "enum": [
            "Ps384"
          ]
        },
        {
          "description": "RSASSA-PSS using SHA-512 and MGF1 with SHA-512",
          "type": "string",
          "enum": [
            "Ps512"
          ]
        },
        {
          "description": "Edwards-Curve DSA (Ed25519 instance only)",
          "type": "string",
          "enum": [
            "Ed25519"
          ]
        }
      ]
    },
    "Text": {
      "description": "A textual range representing multiple (possibly discontinuous) ranges of text.",
      "type": "object",
      "required": [
        "selectors"
      ],
      "properties": {
        "selectors": {
          "description": "The ranges of text to select.",
          "type": "array",
          "items": {
            "$ref": "#/definitions/TextSelectorRange"
          }
        }
      }
    },
    "TextSelector": {
      "description": "Selects a range of text via a fragment identifier.\n\nThis is modeled after the W3C Web Annotation selector model.",
      "type": "object",
      "required": [
        "fragment"
      ],
      "properties": {
        "end": {
          "description": "The end character offset or the end of the fragment if not present.",
          "type": [
            "integer",
            "null"
          ],
          "format": "int32"
        },
        "fragment": {
          "description": "Fragment identifier as per RFC3023 (XML) or ISO 32000-2 (PDF), Annex O.",
          "type": "string"
        },
        "start": {
          "description": "The start character offset or the start of the fragment if not present.",
          "type": [
            "integer",
            "null"
          ],
          "format": "int32"
        }
      }
    },
    "TextSelectorRange": {
      "description": "One or two [`TextSelector`](#textselector) objects identifying the range to select.",
      "type": "object",
      "required": [
        "selector"
      ],
      "properties": {
        "end": {
          "description": "The end of the text range.",
          "anyOf": [
            {
              "$ref": "#/definitions/TextSelector"
            },
            {
              "type": "null"
            }
          ]
        },
        "selector": {
          "description": "The start (or entire) text range.",
          "allOf": [
            {
              "$ref": "#/definitions/TextSelector"
            }
          ]
        }
      }
    },
    "Time": {
      "description": "A temporal range representing a starting time to an ending time.",
      "type": "object",
      "properties": {
        "end": {
          "description": "The end time or the end of the asset if not present.",
          "type": [
            "string",
            "null"
          ]
        },
        "start": {
          "description": "The start time or the start of the asset if not present.",
          "type": [
            "string",
            "null"
          ]
        },
        "type": {
          "description": "The type of time.",
          "default": "npt",
          "allOf": [
            {
              "$ref": "#/definitions/TimeType"
            }
          ]
        }
      }
    },
    "TimeType": {
      "description": "The type of time.",
      "oneOf": [
        {
          "description": "Times are described using Normal Play Time (npt) as described in RFC 2326.",
          "type": "string",
          "enum": [
            "npt"
          ]
        }
      ]
    },
    "UnitType": {
      "description": "The type of unit for the range.",
      "oneOf": [
        {
          "description": "Use pixels.",
          "type": "string",
          "enum": [
            "pixel"
          ]
        },
        {
          "description": "Use percentage.",
          "type": "string",
          "enum": [
            "percent"
          ]
        }
      ]
    },
    "UriOrResource": {
      "anyOf": [
        {
          "$ref": "#/definitions/ResourceRef"
        },
        {
          "$ref": "#/definitions/HashedUri"
        }
      ]
    },
    "ValidationStatus": {
      "description": "A `ValidationStatus` struct describes the validation status of a specific part of a manifest.\n\nSee <https://c2pa.org/specifications/specifications/1.4/specs/C2PA_Specification.html#_existing_manifests>.",
      "type": "object",
      "required": [
        "code"
      ],
      "properties": {
        "code": {
          "type": "string"
        },
        "explanation": {
          "type": [
            "string",
            "null"
          ]
        },
        "url": {
          "type": [
            "string",
            "null"
          ]
        }
      }
    }
  }
}