| """Artifact verification and distinct MLX runtime identities.""" |
|
|
| import hashlib |
| import json |
| from importlib.metadata import version |
| from pathlib import Path |
|
|
| SOLOMON_REVISION = "5c0a4a82ddaeca6da2e3013f7045a8196c86957d" |
| BASE_REVISION = "1d4bf0f2ff6012fd82039f2fa52739d0dd7c60c0" |
| ADAPTER_SHA = "2addaf841ecc58829ad73081603b8d3e52743c53c6d558a17a1dd30e9bd2dbca" |
| HEADS_SHA = "126a9b5487dca937a768a4f228f2d2e7d513900d8ad0e99c4137fbaa42a1aa6f" |
|
|
|
|
| def sha256(path): |
| h = hashlib.sha256() |
| with Path(path).open("rb") as f: |
| for block in iter(lambda: f.read(8 << 20), b""): |
| h.update(block) |
| return h.hexdigest() |
|
|
|
|
| def digest(value): |
| return hashlib.sha256( |
| json.dumps(value, sort_keys=True, separators=(",", ":"), allow_nan=False).encode() |
| ).hexdigest() |
|
|
|
|
| def verify_release(root): |
| root = Path(root) |
| manifest = json.loads((root / "MANIFEST.json").read_text()) |
| checked = {} |
| for row in manifest["files"]: |
| rel = row["destination"] |
| path = (root / rel).resolve() |
| if not path.is_relative_to(root.resolve()): |
| raise ValueError("Manifest path escapes source directory") |
| expected = row.get("staged_sha256") |
| size = row.get("staged_bytes") |
| actual = sha256(path) |
| if expected and actual != expected: |
| raise ValueError(f"Source checksum mismatch: {rel}") |
| if size is not None and path.stat().st_size != size: |
| raise ValueError(f"Source size mismatch: {rel}") |
| checked[rel] = actual |
| return checked |
|
|
|
|
| def code_identity(): |
| root = Path(__file__).parent |
| return digest({str(p.relative_to(root)): sha256(p) for p in sorted(root.rglob("*.py"))}) |
|
|
|
|
| def runtime_identity(binding, *, chunk_size=2048, max_tokens=40960): |
| import platform |
|
|
| import mlx.core as mx |
|
|
| value = { |
| "backend": "mlx-metal", |
| "contract": "solomon-mlx-v1", |
| "source_contract": "solomon-v1", |
| "profile": binding["profile"], |
| "chunk_size": chunk_size, |
| "max_tokens": max_tokens, |
| "metal_device": mx.device_info(), |
| "macos_version": platform.mac_ver()[0], |
| "model_binding": digest(binding), |
| "code_sha256": code_identity(), |
| "versions": {p: version(p) for p in ("mlx", "mlx-vlm", "transformers", "numpy", "pillow")}, |
| "placement": "question", |
| "lora_scale": 2.0, |
| "answer_projection": "trained-semantic-head-float32", |
| "recurrence": "mlx-float32", |
| "solomon_revision": SOLOMON_REVISION, |
| "base_revision": BASE_REVISION, |
| } |
| return {**value, "fingerprint": digest(value)} |
|
|
