Pith Number

pith:6DF6IMFZ

pith:2018:6DF6IMFZ3WZQKD7OXXVWG5JH2W

not attested not anchored not stored refs pending

WikiRank: Improving Keyphrase Extraction Based on Background Knowledge

Vincent Ng, Yang Yu

arxiv:1803.09000 v1 · 2018-03-23 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6DF6IMFZ3WZQKD7OXXVWG5JH2W}

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	2026-05-18T00:20:12.959533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0cbe430b9ddb3050feebdeb637527d583d1ffec508e616c060eed0396c43272

Aliases

arxiv: 1803.09000 · arxiv_version: 1803.09000v1 · doi: 10.48550/arxiv.1803.09000 · pith_short_12: 6DF6IMFZ3WZQ · pith_short_16: 6DF6IMFZ3WZQKD7O · pith_short_8: 6DF6IMFZ

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/6DF6IMFZ3WZQKD7OXXVWG5JH2W \
  | 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: f0cbe430b9ddb3050feebdeb637527d583d1ffec508e616c060eed0396c43272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cfb58a783cc747b896f426ef6d66c8f780a52bd100740522bb6e1e5cd24bd3d",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-03-23T22:30:58Z",
    "title_canon_sha256": "768275c67d1be6902f68d1e7be4bb448e90f2be625fe1597801d087fd91f460c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09000",
    "kind": "arxiv",
    "version": 1
  }
}