Pith Number

pith:WEBJBG2K

pith:2025:WEBJBG2KWLH5WQNLA326SFGRE2

not attested not anchored not stored refs pending

Policy-driven Software Bill of Materials on GitHub: An Empirical Study

Daniel Mendez, Davide Fucci, Oleksandr Adamov, Oleksii Novikov

arxiv:2509.01255 v1 · 2025-09-01 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEBJBG2KWLH5WQNLA326SFGRE2}

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	2026-07-05T12:02:57.043118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b102909b4ab2cfdb41ab06f5e914d126a4b7577b25a779322bc2b91dfaf80781

Aliases

arxiv: 2509.01255 · arxiv_version: 2509.01255v1 · doi: 10.48550/arxiv.2509.01255 · pith_short_12: WEBJBG2KWLH5 · pith_short_16: WEBJBG2KWLH5WQNL · pith_short_8: WEBJBG2K

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/WEBJBG2KWLH5WQNLA326SFGRE2 \
  | 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: b102909b4ab2cfdb41ab06f5e914d126a4b7577b25a779322bc2b91dfaf80781

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cb7229f20638c753ffff156525565bbe202e566251d56c710f036ea8f6bc480",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-09-01T08:45:39Z",
    "title_canon_sha256": "8fd90d698716f0110bc17304634602ac94d0c4b9ed183d6a3c867352d42f9c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01255",
    "kind": "arxiv",
    "version": 1
  }
}