Pith Number

pith:YT4P72K3

pith:2013:YT4P72K3JLN6BGRKU35WSOYTUG

not attested not anchored not stored refs pending

TimeML-strict: clarifying temporal annotation

Hector Llorens, Leon Derczynski, Naushad UzZaman

arxiv:1304.7289 v1 · 2013-04-26 · 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{YT4P72K3JLN6BGRKU35WSOYTUG}

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	2026-05-18T03:27:00.633693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f8ffe95b4adbe09a2aa6fb693b13a1abfe51e05fc5e12392c4d024075403e8

Aliases

arxiv: 1304.7289 · arxiv_version: 1304.7289v1 · doi: 10.48550/arxiv.1304.7289 · pith_short_12: YT4P72K3JLN6 · pith_short_16: YT4P72K3JLN6BGRK · pith_short_8: YT4P72K3

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/YT4P72K3JLN6BGRKU35WSOYTUG \
  | 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: c4f8ffe95b4adbe09a2aa6fb693b13a1abfe51e05fc5e12392c4d024075403e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be3ba315b75d13454327d8a32d8538e2bc46209a5c3febe9bf1b35927f193d8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-04-26T21:31:08Z",
    "title_canon_sha256": "b01df8c531864e3f8d756af1358738b952950808033aeb245ba7b69ab00ff47b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7289",
    "kind": "arxiv",
    "version": 1
  }
}