Pith Number

pith:7Y4TKYH7

pith:2015:7Y4TKYH7C7K3TVCNNVHH5RESWU

not attested not anchored not stored refs pending

A divisive spectral method for network community detection

Jianjun Cheng, Longjie Li, Mingwei Leng, Weiguo Lu, Xiaoyun Chen, Yukai Yao

arxiv:1506.08354 v2 · 2015-06-28 · cs.SI · 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{7Y4TKYH7C7K3TVCNNVHH5RESWU}

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	2026-05-18T01:16:50.070861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe393560ff17d5b9d44d6d4e7ec492b50c0f9c3133c87c33c029565ae9caf944

Aliases

arxiv: 1506.08354 · arxiv_version: 1506.08354v2 · doi: 10.48550/arxiv.1506.08354 · pith_short_12: 7Y4TKYH7C7K3 · pith_short_16: 7Y4TKYH7C7K3TVCN · pith_short_8: 7Y4TKYH7

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/7Y4TKYH7C7K3TVCNNVHH5RESWU \
  | 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: fe393560ff17d5b9d44d6d4e7ec492b50c0f9c3133c87c33c029565ae9caf944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "131ed4d0636664b92e59f7796c7cb945b85fa2132cd0e69091d1edd1496cd82a",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2015-06-28T04:10:42Z",
    "title_canon_sha256": "440eb3625ea22d3aecb55dd690750db92c024074731219fe25597e868c4c949d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08354",
    "kind": "arxiv",
    "version": 2
  }
}