Pith Number

pith:FC2K6SWJ

pith:2014:FC2K6SWJDX2JNP4JJ7N3JGEP2A

not attested not anchored not stored refs pending

A Unifying Framework for Measuring Weighted Rich Clubs

Ed Bullmore, Jeff Alstott, Mikail Rubinov, Petra Vertes, Pietro Panzarasa

arxiv:1402.4540 v2 · 2014-02-19 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FC2K6SWJDX2JNP4JJ7N3JGEP2A}

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	2026-05-18T02:32:22.388758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28b4af4ac91df496bf894fdbb4988fd02f16857fcb7c5c514ca742169b092542

Aliases

arxiv: 1402.4540 · arxiv_version: 1402.4540v2 · doi: 10.48550/arxiv.1402.4540 · pith_short_12: FC2K6SWJDX2J · pith_short_16: FC2K6SWJDX2JNP4J · pith_short_8: FC2K6SWJ

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/FC2K6SWJDX2JNP4JJ7N3JGEP2A \
  | 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: 28b4af4ac91df496bf894fdbb4988fd02f16857fcb7c5c514ca742169b092542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "411c8e367f0456741ac51a1e568dc2826d21e326d69e9292a866e206362cdda1",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-02-19T01:28:07Z",
    "title_canon_sha256": "54e1d892a109d2a093a741d9765fc9d9ee90e4ae40ef5c067d2ec0bd1f949663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4540",
    "kind": "arxiv",
    "version": 2
  }
}