Pith Number

pith:PCIM5GEK

pith:2015:PCIM5GEKEST66RPJY52WY5L7WZ

not attested not anchored not stored refs pending

Community detection in directed acyclic graphs

Leo Speidel, Naoki Masuda, Taro Takaguchi

arxiv:1503.05641 v2 · 2015-03-19 · 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{PCIM5GEKEST66RPJY52WY5L7WZ}

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	2026-05-18T01:35:26.831819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7890ce988a24a7ef45e9c7756c757fb66fe065bf1c37038a941617e05bba83ba

Aliases

arxiv: 1503.05641 · arxiv_version: 1503.05641v2 · doi: 10.48550/arxiv.1503.05641 · pith_short_12: PCIM5GEKEST6 · pith_short_16: PCIM5GEKEST66RPJ · pith_short_8: PCIM5GEK

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/PCIM5GEKEST66RPJY52WY5L7WZ \
  | 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: 7890ce988a24a7ef45e9c7756c757fb66fe065bf1c37038a941617e05bba83ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00a6273609a854203b25fa9d32467faa87dd6fd17ca63d28f8ce3d6790980acd",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-03-19T03:22:46Z",
    "title_canon_sha256": "04846565a722b564db36a659fbaf538a4053b89432074130517eacdc7873314e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05641",
    "kind": "arxiv",
    "version": 2
  }
}