Pith Number

pith:P6PNNBQ5

pith:2017:P6PNNBQ56O4MPSJCXD3BNPTJZC

not attested not anchored not stored refs pending

Fixed versus Dynamic Co-Occurrence Windows in TextRank Term Weights for Information Retrieval

Christina Lioma, Qikai Cheng, Wei Lu

arxiv:1704.01851 v1 · 2017-04-06 · 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{P6PNNBQ56O4MPSJCXD3BNPTJZC}

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	2026-05-18T00:46:54.167739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f9ed6861df3b8c7c922b8f616be69c8b158b9973f5a2d79a242964a48264634

Aliases

arxiv: 1704.01851 · arxiv_version: 1704.01851v1 · doi: 10.48550/arxiv.1704.01851 · pith_short_12: P6PNNBQ56O4M · pith_short_16: P6PNNBQ56O4MPSJC · pith_short_8: P6PNNBQ5

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/P6PNNBQ56O4MPSJCXD3BNPTJZC \
  | 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: 7f9ed6861df3b8c7c922b8f616be69c8b158b9973f5a2d79a242964a48264634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccfb04e87c6c5629cd5fbbce9c4b34d000b8c621e5bb99afeef0561ff90295a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-04-06T14:07:06Z",
    "title_canon_sha256": "2bb1bdcba8bb7c84819939385ff0c2d2d9e502d26ac8decd1a660271a0b5c9fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01851",
    "kind": "arxiv",
    "version": 1
  }
}