Pith Number

pith:UFEO43PF

pith:2014:UFEO43PFYRAEU2WI3XN2N46JUR

not attested not anchored not stored refs pending

The semantic similarity ensemble

Andrea Ballatore, David C. Wilson, Michela Bertolotto

arxiv:1401.2517 v1 · 2014-01-11 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UFEO43PFYRAEU2WI3XN2N46JUR}

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	2026-05-18T03:02:33.223673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a148ee6de5c4404a6ac8dddba6f3c9a46707ec83ca055ce3154bc48f4c0c6093

Aliases

arxiv: 1401.2517 · arxiv_version: 1401.2517v1 · doi: 10.48550/arxiv.1401.2517 · pith_short_12: UFEO43PFYRAE · pith_short_16: UFEO43PFYRAEU2WI · pith_short_8: UFEO43PF

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/UFEO43PFYRAEU2WI3XN2N46JUR \
  | 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: a148ee6de5c4404a6ac8dddba6f3c9a46707ec83ca055ce3154bc48f4c0c6093

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e76371e74271e3371f18838d157fec88969376c284db21009307753da8df32e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-01-11T10:35:37Z",
    "title_canon_sha256": "d325d330b4f4c2a250ceebacdf3dc3a8b9b41d3573ff9f93ed25486efe0b9cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2517",
    "kind": "arxiv",
    "version": 1
  }
}