Coelanox, an auditable inference runtime in Rust that provides detailed, cryptographically linked audit logs for model execution.
Raw Developer Origin & Technical Request
Hacker News
Apr 19, 2026
PyTorch and ONNX Runtime tell you what came out. They can't tell you what actually ran to get there — which ops executed, in what order, on what inputs.A model gets packaged into a sealed .cnox container. SHA-256 is verified before a single op executes. Inference walks a fixed plan over a minimal opset. Every run can emit a per-op audit log: op type, output tensor hash, output sample — cryptographically linked to the exact container and input that produced it. If something goes wrong in production, you have a trail.Scalar backend today — reference implementation and permanent fallback when hardware acceleration isn't available. Audit and verification is identical across all backends. SIMD next, GPU after that.Input below is synthetic (all-ones) — pipeline is identical with real inputs.github.com/Coelanox/CLF
Audit example:
{
"schema": 2,
"run": {
"run_id": "59144ede-5a27-4dff-bc25-94abade5b215",
"started_at_unix_ms": 1776535116721,
"container_path": "/home/shark/cnox/models/output/bert_base_uncased.cnox",
"container_sha256_hex": "184c291595536e3ef69b9a6a324ad5ee4d0cef21cc95188e4cfdedb7f1f82740",
"backend": "scalar"
},
"input": {
"len": 98304,
"sha256_hex": "54ac99d2a36ac55b4619119ee26c36ec2868552933d27d519e0f9fd128b7319f",
"sample_head": [
1.0,
1.0,
1.0,
1.0
]
},
"ops": [
{
"op_index": 0,
"op_type": "Add",
"out_len": 98304,
"out_sample_head": [
0.12242669,
-4.970478,
2.8673656,
5.450008
],
"out_sha256_hex": "19f8aa0a618e5513aed4603a7aae2a333c3287368050e76d4aca0f83fb220e78"
},
{
"op_index": 1,
"op_type": "Add",
"out_len": 98304,
"out_sample_head": [
0.9650015,
0.23414998,
1.539839,
0.30231553
],
"out_sha256_hex": "7ae2f025c8acf67b8232e694dd43caf3b479eb078366787e4fdc16d651450ad4"
},
{
"op_index": 2,
"op_type": "MatMul",
"out_len": 98304,
"out_sample_head": [
1.0307425,
0.19207191,
1.5278282,
0.3000223
],
"out_sha256_hex": "44c28e64441987b8f0516d77f45ad892750b3e5b3916770d3baa5f2289e41bdd"
},
{
"op_index": 3,
"op_type": "Gelu",
"out_len": 393216,
"out_sample_head": [
0.68828076,
-0.0033473556,
1.591219,
-0.16837223
],
"audit_elided": "hash_skipped: len 393216 > max 262144"
}
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