Pith Number

pith:BWO4S6MF

pith:2018:BWO4S6MFENLIWTIMT5HXM6W6V3

not attested not anchored not stored refs pending

Machine Learning vs. Rules and Out-of-the-Box vs. Retrained: An Evaluation of Open-Source Bibliographic Reference and Citation Parsers

Andrew Collins, Dominika Tkaczyk, Joeran Beel, Paraic Sheridan

arxiv:1802.01168 v3 · 2018-02-04 · 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{BWO4S6MFENLIWTIMT5HXM6W6V3}

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	2026-05-18T00:18:03.778009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9dc9798523568b4d0c9f4f767adeaec9f5b993089d4c81b84e698e56bd92cb

Aliases

arxiv: 1802.01168 · arxiv_version: 1802.01168v3 · doi: 10.48550/arxiv.1802.01168 · pith_short_12: BWO4S6MFENLI · pith_short_16: BWO4S6MFENLIWTIM · pith_short_8: BWO4S6MF

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/BWO4S6MFENLIWTIMT5HXM6W6V3 \
  | 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: 0d9dc9798523568b4d0c9f4f767adeaec9f5b993089d4c81b84e698e56bd92cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b007b7313086af47bbd9bb256dd58d1193af419919d3c7db70c9e5596bc067a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-02-04T18:01:00Z",
    "title_canon_sha256": "534a19e5eaf8c752c900eb18910b59d4f93c20f9723df8ccfb733df983638bb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01168",
    "kind": "arxiv",
    "version": 3
  }
}