jhcontext-sdk/example_envelope.json at main · jhcontext/jhcontext-sdk · GitHub

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{
  "@context": {
    "jh": "https://jhcontext.com/vocab#",
    "prov": "http://www.w3.org/ns/prov#",
    "xsd": "http://www.w3.org/2001/XMLSchema#",
    "@vocab": "https://jhcontext.com/vocab#"
  },
  "@type": "jh:Envelope",
  "context_id": "ctx-73c322d0-bc03-4860-8f72-97adbb89fa4a",
  "schema_version": "jh:0.5",
  "producer": "did:example:agent-1",
  "created_at": "2026-02-01T00:21:49Z",
  "ttl": "PT30M",
  "status": "active",
  "performative": "offer",
  "replaces": null,
  "semantic_payload": [
    {
      "@model": "UserML",
      "mainpart": {
        "subject": "user:alice",
        "auxiliary": "hasProperty",
        "predicate": "temperature",
        "range": "float-degrees-celsius",
        "object": 22.3
      },
      "explanation":    {"source": "sensor:thermostat-01"},
      "administration": {"group": "Observation"}
    },
    {
      "@model": "UserML",
      "mainpart": {
        "subject": "user:alice",
        "auxiliary": "hasProperty",
        "predicate": "location",
        "range": "LocationEnum",
        "object": "ConferenceRoomA"
      },
      "explanation":    {"source": "sensor:rfid-03"},
      "administration": {"group": "Observation"}
    },
    {
      "@model": "UserML",
      "mainpart": {
        "subject": "user:alice",
        "auxiliary": "hasAssessment",
        "predicate": "thermalComfort",
        "range": "uncomfortable-neutral-comfortable",
        "object": "comfortable"
      },
      "explanation": {
        "confidence": 0.92,
        "creator": "did:example:comfort-agent",
        "method": "thermal_model_v1"
      },
      "administration": {"group": "Interpretation"}
    },
    {
      "@model": "UserML",
      "mainpart": {
        "subject": "user:alice",
        "auxiliary": "isInSituation",
        "predicate": "activity",
        "range": "meeting|commute|idle|focus",
        "object": "meeting"
      },
      "situation":      {"start": "2026-02-01T00:21:49Z", "durability": "few minutes"},
      "explanation":    {"confidence": 0.95},
      "administration": {"group": "Situation"}
    },
    {
      "@model": "UserML",
      "mainpart": {
        "subject": "notification:n-42",
        "auxiliary": "hasPolicy",
        "predicate": "shouldBeDelivered",
        "range": "boolean",
        "object": false
      },
      "administration": {"group": "Application"}
    }
  ],
  "provenance_ref": {
    "prov_graph_id": "prov:prov-ctx-73c322d0-bc03-4860-8f72-97adbb89fa4a",
    "prov_digest": "sha256:0000000000000000000000000000000000000000000000000000000000000000"
  },
  "proof": {
    "canonicalization": "URDNA2015",
    "hash": "sha256:0000000000000000000000000000000000000000000000000000000000000000",
    "signature": "PLACEHOLDER_SIGNATURE",
    "signer": "did:example:agent-1"
  }
}