Pith Number

pith:BY3UR2QH

pith:2013:BY3UR2QHSRZZQEBC7Y6DSJQG33

not attested not anchored not stored refs pending

Computing Lexical Contrast

Bonnie J. Dorr, Graeme Hirst, Peter D. Turney, Saif M. Mohammad

arxiv:1308.6300 v1 · 2013-08-28 · 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{BY3UR2QHSRZZQEBC7Y6DSJQG33}

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	2026-05-18T03:14:40.346242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3748ea079473981022fe3c392606dec473cc9fa033888e5048aea16a8599f3

Aliases

arxiv: 1308.6300 · arxiv_version: 1308.6300v1 · doi: 10.48550/arxiv.1308.6300 · pith_short_12: BY3UR2QHSRZZ · pith_short_16: BY3UR2QHSRZZQEBC · pith_short_8: BY3UR2QH

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/BY3UR2QHSRZZQEBC7Y6DSJQG33 \
  | 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: 0e3748ea079473981022fe3c392606dec473cc9fa033888e5048aea16a8599f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32f0c1d816fa056c973aaf5322b6adec6bec0245cc7c688c34ad5c7d2033d1d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2013-08-28T20:24:27Z",
    "title_canon_sha256": "2fbdf159416d8f094c5753380f3f68fe6c003f9f6b4f6b624db5aec226e639b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6300",
    "kind": "arxiv",
    "version": 1
  }
}