Pith Number

pith:U6CWXDBS

pith:2006:U6CWXDBSZ7FXH7UTFVCHWRVFJY

not attested not anchored not stored refs pending

Maximizing Modularity is hard

D. Delling, D. Wagner, M. Gaertler, M. Hoefer, R. Goerke, U. Brandes, Z. Nikoloski

arxiv:physics/0608255 v2 · 2006-08-25 · physics.data-an · 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{U6CWXDBSZ7FXH7UTFVCHWRVFJY}

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.

Cited by

1 paper in Pith

Flexible Online Representation Learning Based on Similarity Matching

Receipt and verification

First computed	2026-07-04T14:56:41.580245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7856b8c32cfcb73fe932d447b46a54e247831247a6440fba046f8a5bae2cf16

Aliases

arxiv: physics/0608255 · arxiv_version: physics/0608255v2 · doi: 10.48550/arxiv.physics/0608255 · pith_short_12: U6CWXDBSZ7FX · pith_short_16: U6CWXDBSZ7FXH7UT · pith_short_8: U6CWXDBS

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/U6CWXDBSZ7FXH7UTFVCHWRVFJY \
  | 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: a7856b8c32cfcb73fe932d447b46a54e247831247a6440fba046f8a5bae2cf16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4577fe9319b03980667662a9237bb46a51defa0f8b86557c95a58ae02b9af66f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "physics.soc-ph"
    ],
    "license": "",
    "primary_cat": "physics.data-an",
    "submitted_at": "2006-08-25T16:46:12Z",
    "title_canon_sha256": "3945f1d8798f71d3c988412c295cd45565f3af3fe3f6af5e8bd7d4d049928614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0608255",
    "kind": "arxiv",
    "version": 2
  }
}