pith. sign in
Pith Number

pith:OL2IEFLF

pith:2011:OL2IEFLFXZXTBKOUDX6TKHLJMJ
not attested not anchored not stored refs pending

Limits of modularity maximization in community detection

Andrea Lancichinetti, Santo Fortunato

arxiv:1107.1155 v2 · 2011-07-06 · physics.soc-ph · cs.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OL2IEFLFXZXTBKOUDX6TKHLJMJ}

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 2026-05-18T04:02:34.970885Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

72f4821565be6f30a9d41dfd351d69627e5db349601e00bf99e6faeba605a630

Aliases

arxiv: 1107.1155 · arxiv_version: 1107.1155v2 · doi: 10.48550/arxiv.1107.1155 · pith_short_12: OL2IEFLFXZXT · pith_short_16: OL2IEFLFXZXTBKOU · pith_short_8: OL2IEFLF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OL2IEFLFXZXTBKOUDX6TKHLJMJ \
  | 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: 72f4821565be6f30a9d41dfd351d69627e5db349601e00bf99e6faeba605a630
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "658f6505567b80a456fd6a4b4b84f7b3ab4d242799465f24bc09d3dfcd423f4a",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-07-06T15:11:52Z",
    "title_canon_sha256": "e13258f5ba48306ac7dc35f9e7463a76669b151c74157aefaa50413c897184eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1155",
    "kind": "arxiv",
    "version": 2
  }
}