Pith Number

pith:OYEP7S2L

pith:2013:OYEP7S2LMWEKF4Z6YYZI42SUAW

not attested not anchored not stored refs pending

Extending Sitemaps for ResourceSync

Herbert Van de Sompel, Martin Klein

arxiv:1305.4890 v1 · 2013-05-21 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYEP7S2LMWEKF4Z6YYZI42SUAW}

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	2026-05-18T03:25:15.038620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7608ffcb4b6588a2f33ec6328e6a54058a136fa0ac2434f0c2b26ec91374ee5e

Aliases

arxiv: 1305.4890 · arxiv_version: 1305.4890v1 · doi: 10.48550/arxiv.1305.4890 · pith_short_12: OYEP7S2LMWEK · pith_short_16: OYEP7S2LMWEKF4Z6 · pith_short_8: OYEP7S2L

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/OYEP7S2LMWEKF4Z6YYZI42SUAW \
  | 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: 7608ffcb4b6588a2f33ec6328e6a54058a136fa0ac2434f0c2b26ec91374ee5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67f0e28705c3e3f3b010e4ab7e710cefb7847c62b73e84a8e0ef7d952533a34e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-05-21T17:19:04Z",
    "title_canon_sha256": "40c21e2284b171921d0abdf2ebd5e2d2bcfc8a6e8910a73cddec17f3c01c8560"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4890",
    "kind": "arxiv",
    "version": 1
  }
}