Pith Number

pith:YWU2ELYN

pith:2013:YWU2ELYNOCKL5OXGVJPCIEN3OO

not attested not anchored not stored refs pending

The Mellon Fedora Project: Digital Library Architecture Meets XML and Web Services

Sandra Payette, Thornton Staples

arxiv:1312.1385 v1 · 2013-12-04 · 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{YWU2ELYNOCKL5OXGVJPCIEN3OO}

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	2026-05-18T03:05:27.460740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a9a22f0d7094bebae6aa5e2411bb739da4cbedbe94d9ec80f1669268cdc510

Aliases

arxiv: 1312.1385 · arxiv_version: 1312.1385v1 · doi: 10.48550/arxiv.1312.1385 · pith_short_12: YWU2ELYNOCKL · pith_short_16: YWU2ELYNOCKL5OXG · pith_short_8: YWU2ELYN

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/YWU2ELYNOCKL5OXGVJPCIEN3OO \
  | 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: c5a9a22f0d7094bebae6aa5e2411bb739da4cbedbe94d9ec80f1669268cdc510

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd7df51e137b6bce9d98e9f6e1ed69b5e770d7ecc55615d9c03c080d2712236a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2013-12-04T23:40:13Z",
    "title_canon_sha256": "f266ec16171a5098b9e8a8da6992f115430c39d69728196812f40b8794edeffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1385",
    "kind": "arxiv",
    "version": 1
  }
}