Pith Number

pith:G4JTCSFY

pith:2021:G4JTCSFY2UJJIIWN7I36DWAOB5

not attested not anchored not stored refs pending

Learning Rich Representation of Keyphrases from Text

Debanjan Mahata, Mayank Kulkarni, Rajarshi Bhowmik, Ravneet Arora

arxiv:2112.08547 v2 · 2021-12-16 · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4JTCSFY2UJJIIWN7I36DWAOB5}

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	2026-07-05T04:38:46.687896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37133148b8d5129422cdfa37e1d80e0f6577ad80e4ebb6246b6d2217abd72d19

Aliases

arxiv: 2112.08547 · arxiv_version: 2112.08547v2 · doi: 10.48550/arxiv.2112.08547 · pith_short_12: G4JTCSFY2UJJ · pith_short_16: G4JTCSFY2UJJIIWN · pith_short_8: G4JTCSFY

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/G4JTCSFY2UJJIIWN7I36DWAOB5 \
  | 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: 37133148b8d5129422cdfa37e1d80e0f6577ad80e4ebb6246b6d2217abd72d19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1853cbb3e8d0b3633251f25ca3b9436783ec34789e4282e1efd4c78fd120346",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-16T01:09:51Z",
    "title_canon_sha256": "888aa96a7f99dacce0f1fe7791d5f05735cba6bb7faf66174da0e8c8628c88a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.08547",
    "kind": "arxiv",
    "version": 2
  }
}