Pith Number

pith:73LHOK5O

pith:2019:73LHOK5OKKJOEJ6BG5RUQDSLSJ

not attested not anchored not stored refs pending

RaKUn: Rank-based Keyword extraction via Unsupervised learning and Meta vertex aggregation

Andra\v{z} Repar, Bla\v{z} \v{S}krlj, Senja Pollak

arxiv:1907.06458 v3 · 2019-07-15 · 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{73LHOK5OKKJOEJ6BG5RUQDSLSJ}

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	2026-07-05T00:18:08.827544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fed6772bae5292e227c13763480e4b92486afd8f185e0e30ec2ee85421948ed8

Aliases

arxiv: 1907.06458 · arxiv_version: 1907.06458v3 · doi: 10.48550/arxiv.1907.06458 · pith_short_12: 73LHOK5OKKJO · pith_short_16: 73LHOK5OKKJOEJ6B · pith_short_8: 73LHOK5O

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/73LHOK5OKKJOEJ6BG5RUQDSLSJ \
  | 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: fed6772bae5292e227c13763480e4b92486afd8f185e0e30ec2ee85421948ed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2951c64785540d9b8945c4a035e387f95ed1394d106b246fa4e839bc47bb84",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-15T12:10:24Z",
    "title_canon_sha256": "73f310443e4560c6bc0652f44f9f3321ea18abb3dc98d0187aa7be04f3dfa008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06458",
    "kind": "arxiv",
    "version": 3
  }
}