Workflow declaration URI

Property name: Workflow declaration URI
Description: A URI identifying the workflow declaration (the reusable process definition, as opposed to a specific execution) behind a runs entry. No particular URI scheme, resolvability, or formalism is mandated. Providers wanting two runs recognized as executions of the same declaration MUST use an identical URI. Null is expected for ad-hoc scripts, interactive executions, and legacy data with no formal workflow identifier.
Type: string
Implementation requirements:
- Support: MUST be supported by all implementations, MUST NOT be null.

{
    "$id": "https://schemas.httk.org/defs/v0.1/properties/core/workflow_declaration_uri",
    "$schema": "https://schemas.optimade.org/meta/v1.2/optimade/property_definition.json",
    "title": "Workflow declaration URI",
    "x-optimade-type": "string",
    "x-optimade-definition": {
        "kind": "property",
        "version": "0.1.0",
        "format": "1.3",
        "name": "workflow_declaration_uri",
        "label": "workflow_declaration_uri_property_httk"
    },
    "x-optimade-unit": "inapplicable",
    "x-optimade-requirements": {
        "support": "must",
        "sortable": false,
        "query-support": "partial",
        "query-support-operators": [
            "=",
            "!="
        ]
    },
    "type": [
        "string",
        "null"
    ],
    "description": "A URI identifying the workflow declaration (the reusable process definition, as opposed to a specific execution) behind a runs entry.\nNo particular URI scheme, resolvability, or formalism is mandated.\nProviders wanting two runs recognized as executions of the same declaration MUST use an identical URI.\nNull is expected for ad-hoc scripts, interactive executions, and legacy data with no formal workflow identifier.",
    "examples": [
        "https://github.com/httk-workflows/vasp-relax/releases/tag/v1.0.0",
        "https://schemas.httk.org/workflows/vasp-relax/v1.0"
    ]
}

Workflow declaration URI (property)