Pith Number

pith:73BWJLT6

pith:2009:73BWJLT6HMNRJOKUVDOCBKPFUN

not attested not anchored not stored refs pending

Communities in Networks

Jukka-Pekka Onnela, Mason A. Porter, Peter J. Mucha

arxiv:0902.3788 v2 · 2009-02-22 · physics.soc-ph · cond-mat.stat-mech · cs.CY · cs.DM · math.ST · nlin.AO · physics.comp-ph · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73BWJLT6HMNRJOKUVDOCBKPFUN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:05:13.273790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec364ae7e3b1b14b954a8dc20a9e5a357aceece0ff775871892b3dda42049a9

Aliases

arxiv: 0902.3788 · arxiv_version: 0902.3788v2 · doi: 10.48550/arxiv.0902.3788 · pith_short_12: 73BWJLT6HMNR · pith_short_16: 73BWJLT6HMNRJOKU · pith_short_8: 73BWJLT6

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/73BWJLT6HMNRJOKUVDOCBKPFUN \
  | 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: fec364ae7e3b1b14b954a8dc20a9e5a357aceece0ff775871892b3dda42049a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca78583dff148710141aa9ee392cf6a13e8b229dd94c72e37e42976345c49508",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.CY",
      "cs.DM",
      "math.ST",
      "nlin.AO",
      "physics.comp-ph",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-02-22T12:26:16Z",
    "title_canon_sha256": "7e0061ca5045501ca0adf1713feec256ee6120effced7c49702d9e45baae8f4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3788",
    "kind": "arxiv",
    "version": 2
  }
}