Pith Number

pith:C7HIOYKS

pith:2009:C7HIOYKSR4RJDWXMRKCX7ZAHV2

not attested not anchored not stored refs pending

Finding overlapping communities in networks by label propagation

Steve Gregory

arxiv:0910.5516 v3 · 2009-10-28 · 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{C7HIOYKSR4RJDWXMRKCX7ZAHV2}

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	2026-05-18T04:39:19.616259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17ce8761528f2291daec8a857fe407ae86296b38c0687a68f5755ffd48621176

Aliases

arxiv: 0910.5516 · arxiv_version: 0910.5516v3 · doi: 10.48550/arxiv.0910.5516 · pith_short_12: C7HIOYKSR4RJ · pith_short_16: C7HIOYKSR4RJDWXM · pith_short_8: C7HIOYKS

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/C7HIOYKSR4RJDWXMRKCX7ZAHV2 \
  | 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: 17ce8761528f2291daec8a857fe407ae86296b38c0687a68f5755ffd48621176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8549c409e45713f4b3259aaede71d4cb01ad5aff0634f2adcceac09f7778d7d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-10-28T22:52:11Z",
    "title_canon_sha256": "b5cf6003b60d610af5c528b87dcdc8af6ef16c1049d629d9b033c70ce47d454c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5516",
    "kind": "arxiv",
    "version": 3
  }
}