Pith Number

pith:YVOQA5UH

pith:2017:YVOQA5UHDQRUXP2QACNSF42Y5P

not attested not anchored not stored refs pending

Semi-automatic definite description annotation: a first report

Alex Gwo Jen Lan, Danillo da Silva Rocha, Ivandre Paraboni

arxiv:1712.08933 v1 · 2017-12-24 · 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{YVOQA5UHDQRUXP2QACNSF42Y5P}

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	2026-05-18T00:27:14.816378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c55d0076871c234bbf50009b22f358ebc621f84192e465a2c5fa3056f5b71a3c

Aliases

arxiv: 1712.08933 · arxiv_version: 1712.08933v1 · doi: 10.48550/arxiv.1712.08933 · pith_short_12: YVOQA5UHDQRU · pith_short_16: YVOQA5UHDQRUXP2Q · pith_short_8: YVOQA5UH

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/YVOQA5UHDQRUXP2QACNSF42Y5P \
  | 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: c55d0076871c234bbf50009b22f358ebc621f84192e465a2c5fa3056f5b71a3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a94472e72743dcb4a03b610f7dca8c6c631f3966357118181cf9108181be62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-12-24T14:54:22Z",
    "title_canon_sha256": "28b126d75a6233313285e5b97b4512eaee7b7526aae8876ee52829b643a866db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08933",
    "kind": "arxiv",
    "version": 1
  }
}