Pith Number

pith:UCL7XPFL

pith:2009:UCL7XPFL4REL2H3IWX3G5Q4USE

not attested not anchored not stored refs pending

Detecting Functional Communities in Complex Networks

Edward Ott, Michelle Girvan, Sanjeev Chauhan

arxiv:0911.2735 v3 · 2009-11-14 · physics.soc-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCL7XPFL4REL2H3IWX3G5Q4USE}

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	2026-05-18T02:24:46.298496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a097fbbcabe448bd1f68b5f66ec394913b085e221d33c83984eb24f40fc03d28

Aliases

arxiv: 0911.2735 · arxiv_version: 0911.2735v3 · doi: 10.48550/arxiv.0911.2735 · pith_short_12: UCL7XPFL4REL · pith_short_16: UCL7XPFL4REL2H3I · pith_short_8: UCL7XPFL

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/UCL7XPFL4REL2H3IWX3G5Q4USE \
  | 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: a097fbbcabe448bd1f68b5f66ec394913b085e221d33c83984eb24f40fc03d28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44a9611463cd5fd54ea3aaed454b13400fd88ad4fabcacc2be13f0bccd4d53bb",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-11-14T00:14:35Z",
    "title_canon_sha256": "7f2d2cb46ad9cdffd2803cdfe92a126bc394642f02bd2bc8fc4070d4c6f54e74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2735",
    "kind": "arxiv",
    "version": 3
  }
}