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fix: harden DGR-003 identity trust boundary

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This commit is contained in:
Dobromir Popov
2026-07-14 09:48:42 +03:00
parent 7364ed6731
commit 7b8e467c6b
11 changed files with 1325 additions and 519 deletions
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59
tests/data/recipe_fingerprint_vectors.json
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@@ -2,6 +2,7 @@
"schema_version": 1,
"vectors": [
{
"description": "An undivided artifact: content digest is the source digest.",
"fingerprint": {
"catalogue_version": "2026.07.1",
"model_artifact_digest": "8a0f43d6aa49d77834bdb47bcae9f42c886b7ccfe0ac014932b2a2b38697a47b",
@@ -9,6 +10,7 @@
"recipe_version": "1",
"runtime_recipe_digest": "9b14d70b0835a6428457e4888d453649dd0d2e41fc8ac9d84d232c8c237e68fa"
},
"fingerprint_proto_hex": "0a40386130663433643661613439643737383334626462343762636165396634326338383662376363666530616330313439333262326132623338363937613437621240396231346437306230383335613634323834353765343838386434353336343964643064326534316663386163396438346432333263386332333765363866611a0c6578616d706c652d676775662201312a09323032362e30372e31",
"identity": {
"artifact": {
"architecture": "dense-llama",
@@ -46,7 +48,62 @@
"shard_end": 4,
"shard_start": 0
},
"name": "example-v1"
"name": "example-v1",
"shard_binding_digest": "f62d1f76cc18b548782c02850e05c2634da55c0e686c43b9f687bdee7bdefe19"
},
{
"description": "A split of the same source: same fingerprint, different Shard binding.",
"fingerprint": {
"catalogue_version": "2026.07.1",
"model_artifact_digest": "8a0f43d6aa49d77834bdb47bcae9f42c886b7ccfe0ac014932b2a2b38697a47b",
"recipe_id": "example-gguf",
"recipe_version": "1",
"runtime_recipe_digest": "9b14d70b0835a6428457e4888d453649dd0d2e41fc8ac9d84d232c8c237e68fa"
},
"fingerprint_proto_hex": "0a40386130663433643661613439643737383334626462343762636165396634326338383662376363666530616330313439333262326132623338363937613437621240396231346437306230383335613634323834353765343838386434353336343964643064326534316663386163396438346432333263386332333765363866611a0c6578616d706c652d676775662201312a09323032362e30372e31",
"identity": {
"artifact": {
"architecture": "dense-llama",
"architecture_digest": "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
"artifact_id": "example/model",
"content_digest": "cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc",
"derived_from": {
"shard_end": 8,
"shard_start": 4,
"source_artifact_digest": "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
},
"layer_count": 8,
"revision": "0123456789abcdef"
},
"fingerprint": {
"catalogue_version": "2026.07.1",
"model_artifact_digest": "8a0f43d6aa49d77834bdb47bcae9f42c886b7ccfe0ac014932b2a2b38697a47b",
"recipe_id": "example-gguf",
"recipe_version": "1",
"runtime_recipe_digest": "9b14d70b0835a6428457e4888d453649dd0d2e41fc8ac9d84d232c8c237e68fa"
},
"recipe": {
"activation_dtype": "bfloat16",
"architecture_adapter": "llama/range-v1",
"backend_id": "llama.cpp",
"boundary_schema_version": 1,
"catalogue_version": "2026.07.1",
"compute_dtype": "float32",
"kv_dtype": "q8_0",
"kv_layout": "paged-v1",
"protocol_schema_version": 1,
"recipe_id": "example-gguf",
"recipe_version": "1",
"runtime_version": "llama.cpp@deadbeef+meshnet.1",
"tokenizer_revision": "0123456789abcdef",
"weight_quantization": "Q4_K_M"
},
"schema_version": 1,
"shard_end": 8,
"shard_start": 4
},
"name": "example-v1-derivative",
"shard_binding_digest": "55271611eb63cb81088b8109133f1dff845352298994fc8e9c5824a6a01c83e0"
}
]
}