{
  "schema": "kingdom.model-execution-profile/v1",
  "kind": "execution-profile",
  "subject": {
    "release_digest": "sha256:d7bba76c6c5edb7700b1ff16ca007716a4ef1247522e0248e4040a1408754bee"
  },
  "engine": {
    "name": "fixture-engine",
    "version": "1.0.0",
    "implementation": "fixture-transformers",
    "loader": "safetensors fixture loader",
    "source_revision": "fixture-engine-commit-1",
    "custom_code_revision": "fixture-model-code-commit-1",
    "package": {
      "media_type": "application/vnd.python.wheel",
      "digest": "sha256:1111111111111111111111111111111111111111111111111111111111111111",
      "size": 512
    },
    "kernels": [
      {
        "name": "fixture-attention",
        "version": "1.0.0",
        "source_revision": "fixture-kernel-commit-1"
      }
    ],
    "evidence_refs": [
      "fixture-runtime-docs"
    ]
  },
  "resolved": {
    "dtype": "bfloat16",
    "weight_quantization": "none",
    "kv_cache_dtype": "float16",
    "load_format": "safetensors",
    "context_tokens": 4096,
    "parallelism": {
      "tensor": 1,
      "pipeline": 1,
      "data": 1,
      "expert": 1
    },
    "attention_backend": "fixture-attention-1.0.0",
    "speculative_decoding": "disabled",
    "rope_overrides": "none"
  },
  "hardware": {
    "visibility": "declared",
    "accelerators": [
      {
        "model": "Synthetic Accelerator",
        "count": 1
      }
    ],
    "driver": "fixture-driver-1.0",
    "compute_stack": "fixture-compute-1.0",
    "interconnect": "single-device",
    "topology": "one declared accelerator"
  },
  "backend": {
    "kind": "local-open-weights",
    "provider": "Synthetic Kingdom Lab",
    "endpoint_family": "fixture-local-runtime",
    "observations": [
      {
        "name": "system_fingerprint",
        "value": "fixture-backend-2026-08",
        "semantics": "opaque-provider-observation",
        "observed_at": "2026-08-13T00:00:00Z",
        "evidence_refs": [
          "fixture-runtime-docs"
        ]
      }
    ]
  },
  "determinism": {
    "seed": "42",
    "deterministic_algorithms": true,
    "known_nondeterminism": [
      "The fixture makes no cross-hardware reproducibility claim."
    ]
  },
  "privacy": {
    "environment_capture": "allowlisted-fields",
    "excluded": [
      "credentials",
      "hostnames",
      "private paths",
      "raw environment"
    ]
  },
  "evidence": [
    {
      "id": "fixture-runtime-docs",
      "title": "Synthetic runtime documentation",
      "kind": "fixture",
      "locator": "urn:kingdom:fixture:runtime-docs",
      "revision": "fixture-runtime-docs-1",
      "retrieved_at": "2026-08-13T00:00:00Z",
      "mutability": "immutable",
      "assertor": "Synthetic Kingdom Lab",
      "content": {
        "media_type": "application/json",
        "digest": "sha256:2222222222222222222222222222222222222222222222222222222222222222",
        "size": 384
      }
    }
  ],
  "non_claims": [
    "An execution-profile digest identifies declared configuration, not reproducibility across different runtimes or hardware.",
    "Requested settings are not effective settings; every field under resolved is a declaration by the profile author.",
    "Provider backend observations are opaque observations, not cryptographic model or weight digests.",
    "Validation captures no raw environment, hostname, credential, private path, prompt, response, or reasoning trace."
  ]
}