Pith Number

pith:CYET3CQY

pith:2009:CYET3CQYF6YNN543P2TMRN3MOU

not attested not anchored not stored refs pending

Empirical analysis of web-based user-object bipartite networks

Linyuan Lu, Mingsheng Shang, Tao Zhou, Yi-Cheng Zhang

arxiv:0909.4938 v2 · 2009-09-27 · physics.data-an · cs.IR · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYET3CQYF6YNN543P2TMRN3MOU}

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	2026-05-18T02:11:37.201269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16093d8a182fb0d6f79b7ea6c8b76c75070435244188d3bf8dcbbe9a7cedff15

Aliases

arxiv: 0909.4938 · arxiv_version: 0909.4938v2 · doi: 10.48550/arxiv.0909.4938 · pith_short_12: CYET3CQYF6YN · pith_short_16: CYET3CQYF6YNN543 · pith_short_8: CYET3CQY

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/CYET3CQYF6YNN543P2TMRN3MOU \
  | 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: 16093d8a182fb0d6f79b7ea6c8b76c75070435244188d3bf8dcbbe9a7cedff15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d8d0534c6452ce7b57a3e8f9e8e4c51e2cf6d26d522fce55dfaa0120815fe4e",
    "cross_cats_sorted": [
      "cs.IR",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2009-09-27T14:52:30Z",
    "title_canon_sha256": "c72189b632492d6c98d7075d6c68ba766f35d23cdf72cc8e5ddfa788581642ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4938",
    "kind": "arxiv",
    "version": 2
  }
}