Pith Number

pith:RP7NFA6W

pith:2012:RP7NFA6WBCPL4LJHAIDSAANZFI

not attested not anchored not stored refs pending

Graph spectra and the detectability of community structure in networks

M. E. J. Newman, Raj Rao Nadakuditi

arxiv:1205.1813 v1 · 2012-05-08 · cs.SI · cond-mat.stat-mech · 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{RP7NFA6WBCPL4LJHAIDSAANZFI}

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	2026-05-18T03:55:58.616702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bfed283d6089ebe2d2702072001b92a261be1bd225a58c69aa604a2f1cd7616

Aliases

arxiv: 1205.1813 · arxiv_version: 1205.1813v1 · doi: 10.48550/arxiv.1205.1813 · pith_short_12: RP7NFA6WBCPL · pith_short_16: RP7NFA6WBCPL4LJH · pith_short_8: RP7NFA6W

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/RP7NFA6WBCPL4LJHAIDSAANZFI \
  | 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: 8bfed283d6089ebe2d2702072001b92a261be1bd225a58c69aa604a2f1cd7616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22f5e88cb627df1a114cd9623b4f23691904d0c41e21facd3aeafe10efcd89aa",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-05-08T20:13:20Z",
    "title_canon_sha256": "af23168a985a6f59083f82baae9746dbcb5f5be1cc73506910a92eabce8adee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1813",
    "kind": "arxiv",
    "version": 1
  }
}