Pith Number

pith:OOTDXRKF

pith:2025:OOTDXRKFFYY7MU5PDBE3D7UMMA

not attested not anchored not stored refs pending

Machine Learning Models Have a Supply Chain Problem

Hayden Blauzvern, Ilia Shumailov, Laurent Simon, Mihai Maruseac, Sarah Meiklejohn, Spencer Schrock

arxiv:2505.22778 v1 · 2025-05-28 · cs.LG · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOTDXRKFFYY7MU5PDBE3D7UMMA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:11:49.818100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a63bc5452e31f653af1849b1fe8c6033ff8e03d10871a55f55b730609fdc14

Aliases

arxiv: 2505.22778 · arxiv_version: 2505.22778v1 · doi: 10.48550/arxiv.2505.22778 · pith_short_12: OOTDXRKFFYY7 · pith_short_16: OOTDXRKFFYY7MU5P · pith_short_8: OOTDXRKF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/OOTDXRKFFYY7MU5PDBE3D7UMMA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 73a63bc5452e31f653af1849b1fe8c6033ff8e03d10871a55f55b730609fdc14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8e146cfe196d9ba6a0c2f9dcd78b96e34df86bebba7a5b7050edf3295323d0",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-28T18:47:14Z",
    "title_canon_sha256": "82f84d06f336b4d41d830d7693cf8e9942baa726f45e123d41fbf6ce5528c46f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22778",
    "kind": "arxiv",
    "version": 1
  }
}