{
  "schema": "kingdom.model-release/v1",
  "kind": "model-release",
  "release": {
    "publisher": "Synthetic Kingdom Lab",
    "name": "Lantern Fixture 1",
    "version": "1.0.0-fixture",
    "released_at": "2026-08-13T00:00:00Z",
    "access": "open-weights"
  },
  "model": {
    "architecture": "fixture-transformer",
    "modalities": [
      "text"
    ],
    "parameters": {
      "total": 4096,
      "active": 4096
    },
    "context": {
      "input_tokens": 4096,
      "output_tokens": 1024,
      "evidence_refs": [
        "fixture-model-card"
      ]
    },
    "weights": {
      "format": "safetensors fixture",
      "dtype": "bfloat16",
      "quantization": "none",
      "evidence_refs": [
        "fixture-model-card"
      ]
    },
    "notes": [
      "Synthetic values exercise the substrate and make no claim about a released model."
    ]
  },
  "artifacts": [
    {
      "id": "weights-one",
      "role": "weights",
      "name": "model.safetensors",
      "identity_status": "fixture",
      "availability": "fixture",
      "descriptor": {
        "media_type": "application/vnd.safetensors",
        "digest": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "size": 1024
      },
      "location": {
        "uri": "urn:kingdom:fixture:weights-one",
        "revision": "fixture-revision-1"
      },
      "evidence_refs": [
        "fixture-model-card"
      ]
    },
    {
      "id": "tokenizer",
      "role": "tokenizer",
      "name": "tokenizer.json",
      "identity_status": "fixture",
      "availability": "fixture",
      "descriptor": {
        "media_type": "application/json",
        "digest": "sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
        "size": 256
      },
      "location": {
        "uri": "urn:kingdom:fixture:tokenizer",
        "revision": "fixture-revision-1"
      },
      "evidence_refs": [
        "fixture-model-card"
      ]
    },
    {
      "id": "model-config",
      "role": "model-config",
      "name": "config.json",
      "identity_status": "fixture",
      "availability": "fixture",
      "descriptor": {
        "media_type": "application/json",
        "digest": "sha256:cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
        "size": 128
      },
      "location": {
        "uri": "urn:kingdom:fixture:model-config",
        "revision": "fixture-revision-1"
      },
      "evidence_refs": [
        "fixture-model-card"
      ]
    },
    {
      "id": "chat-template",
      "role": "chat-template",
      "name": "chat-template.json",
      "identity_status": "fixture",
      "availability": "fixture",
      "descriptor": {
        "media_type": "application/json",
        "digest": "sha256:dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd",
        "size": 192
      },
      "location": {
        "uri": "urn:kingdom:fixture:chat-template",
        "revision": "fixture-revision-1"
      },
      "evidence_refs": [
        "fixture-system-card"
      ]
    }
  ],
  "interface": {
    "prompt_format": {
      "support": "required",
      "artifact_ref": "chat-template"
    },
    "response_format": {
      "support": "required",
      "artifact_ref": "chat-template"
    },
    "tools": {
      "support": "unsupported"
    },
    "reasoning": {
      "disclosure": "summary",
      "effort_levels": [
        "low",
        "medium",
        "high"
      ],
      "default_effort": "medium",
      "item_or_channel_types": [
        "reasoning-summary"
      ],
      "continuation_state": "plaintext",
      "continuation": {
        "policy": "recommended",
        "resend": [
          "reasoning-summary"
        ],
        "model_switch": "unknown"
      },
      "history_privacy": {
        "storage": "optional",
        "forwarding": "required",
        "note": "Only the declared summary item is in scope; no hidden trace is captured by this fixture."
      },
      "evidence_refs": [
        "fixture-system-card"
      ]
    }
  },
  "relations": [],
  "disclosures": [
    {
      "field": "training.data",
      "status": "withheld",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-model-card"
      ],
      "note": "The synthetic publisher declares no training-data detail."
    },
    {
      "field": "training.code",
      "status": "unknown",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-model-card"
      ],
      "note": "The synthetic fixture declares no training-code detail."
    },
    {
      "field": "training.token-count",
      "status": "unknown",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-model-card"
      ],
      "note": "The synthetic fixture declares no training-token count."
    },
    {
      "field": "training.compute",
      "status": "unknown",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-model-card"
      ],
      "note": "The synthetic fixture declares no training-compute detail."
    },
    {
      "field": "post-training.recipe",
      "status": "unknown",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-model-card"
      ],
      "note": "The synthetic fixture declares no post-training recipe."
    },
    {
      "field": "reasoning.recipe",
      "status": "unknown",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-system-card"
      ],
      "note": "The synthetic fixture declares no private reasoning recipe."
    },
    {
      "field": "safety.system-internals",
      "status": "withheld",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-system-card"
      ],
      "note": "The synthetic fixture does not disclose safety-system internals."
    },
    {
      "field": "reasoning.continuation",
      "status": "disclosed",
      "basis": "publisher-claim",
      "evidence_refs": [
        "fixture-system-card"
      ],
      "note": "The fixture declares its continuation contract without including session content."
    }
  ],
  "terms": [
    {
      "field": "license",
      "status": "unknown",
      "evidence_refs": [
        "fixture-model-card"
      ],
      "note": "The synthetic fixture has no operative model license."
    }
  ],
  "evidence": [
    {
      "id": "fixture-model-card",
      "title": "Synthetic model card",
      "kind": "fixture",
      "locator": "urn:kingdom:fixture:model-card",
      "revision": "fixture-revision-1",
      "retrieved_at": "2026-08-13T00:00:00Z",
      "mutability": "immutable",
      "assertor": "Synthetic Kingdom Lab",
      "content": {
        "media_type": "application/json",
        "digest": "sha256:eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",
        "size": 320
      }
    },
    {
      "id": "fixture-system-card",
      "title": "Synthetic system card",
      "kind": "fixture",
      "locator": "urn:kingdom:fixture:system-card",
      "revision": "fixture-revision-1",
      "retrieved_at": "2026-08-13T00:00:00Z",
      "mutability": "immutable",
      "assertor": "Synthetic Kingdom Lab",
      "content": {
        "media_type": "application/json",
        "digest": "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
        "size": 448
      }
    }
  ],
  "non_claims": [
    "Digests prove byte identity only; they do not prove publisher identity, safety, quality, behavior, or truth.",
    "This manifest describes a release interface; it does not expose or verify hidden chain-of-thought, private system prompts, training data, teacher models, or safety internals.",
    "Provider backend observations are opaque observations, not cryptographic model digests.",
    "Validation performs no model call, artifact download, code execution, publication, deployment, or external write."
  ]
}