Pith Number

pith:WEJ74ZFG

pith:2010:WEJ74ZFG7T7D2B4OWEWA5RE6Q2

not attested not anchored not stored refs pending

Learning to Blend by Relevance

Jiang Chen, Wei Chu, Zhaohui Zheng, Zhenzhen Kou

arxiv:1001.4597 v3 · 2010-01-26 · 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{WEJ74ZFG7T7D2B4OWEWA5RE6Q2}

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	2026-05-18T04:40:30.734416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b113fe64a6fcfe3d078eb12c0ec49e86ab0e8173f219d6f2fc6072b07e1d3011

Aliases

arxiv: 1001.4597 · arxiv_version: 1001.4597v3 · doi: 10.48550/arxiv.1001.4597 · pith_short_12: WEJ74ZFG7T7D · pith_short_16: WEJ74ZFG7T7D2B4O · pith_short_8: WEJ74ZFG

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/WEJ74ZFG7T7D2B4OWEWA5RE6Q2 \
  | 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: b113fe64a6fcfe3d078eb12c0ec49e86ab0e8173f219d6f2fc6072b07e1d3011

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ba98d8f95924ffc920f6f18c0ea6774b4bce0015f8b9a31a1dd05e042115c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2010-01-26T06:19:06Z",
    "title_canon_sha256": "88b2d5cfbd392b79b72b50b8b2992b0575b310d30adc996cc2f873f3ece50167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4597",
    "kind": "arxiv",
    "version": 3
  }
}