Pith Number

pith:77XQVLJI

pith:2012:77XQVLJITYR7AV4P7G5QZUPENF

not attested not anchored not stored refs pending

An Integrated, Conditional Model of Information Extraction and Coreference with Applications to Citation Matching

Andrew McCallum, Ben Wellner, Fuchun Peng, Michael Hay

arxiv:1207.4157 v1 · 2012-07-11 · cs.LG · cs.DL · cs.IR · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77XQVLJITYR7AV4P7G5QZUPENF}

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	2026-05-18T03:50:47.568860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffef0aad289e23f0578ff9bb0cd1e4697fecd9945fd5b7db95ad0e6eb438341c

Aliases

arxiv: 1207.4157 · arxiv_version: 1207.4157v1 · doi: 10.48550/arxiv.1207.4157 · pith_short_12: 77XQVLJITYR7 · pith_short_16: 77XQVLJITYR7AV4P · pith_short_8: 77XQVLJI

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/77XQVLJITYR7AV4P7G5QZUPENF \
  | 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: ffef0aad289e23f0578ff9bb0cd1e4697fecd9945fd5b7db95ad0e6eb438341c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "111347dc7728a3ca520794a3ea0986a454749a6642f685b428115f088878d03f",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-07-11T15:00:28Z",
    "title_canon_sha256": "786894c2be46fc6d578e637911cf3ba0d268db691433a981dca86226a3fbe2f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4157",
    "kind": "arxiv",
    "version": 1
  }
}