Pith Number

pith:VMQCW62U

pith:2015:VMQCW62U6K6EMHQQGZUON4ILAY

not attested not anchored not stored refs pending

Analysis of stability of community structure across multiple hierarchical levels

Hui-Jia Li, Xiang-Sun Zhang

arxiv:1503.08018 v1 · 2015-03-27 · 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{VMQCW62U6K6EMHQQGZUON4ILAY}

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	2026-05-18T02:20:11.727691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab202b7b54f2bc461e103668e6f10b063f0219b2be56f07a5e13087063f2e339

Aliases

arxiv: 1503.08018 · arxiv_version: 1503.08018v1 · doi: 10.48550/arxiv.1503.08018 · pith_short_12: VMQCW62U6K6E · pith_short_16: VMQCW62U6K6EMHQQ · pith_short_8: VMQCW62U

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/VMQCW62U6K6EMHQQGZUON4ILAY \
  | 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: ab202b7b54f2bc461e103668e6f10b063f0219b2be56f07a5e13087063f2e339

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8919603c69fbe6c46068f5bbbddb7875d6778d66b999e08c3cdbecab2fd3de2",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-03-27T10:49:34Z",
    "title_canon_sha256": "bbab525a9f074b5431f27bcfcc638de99ed600e349fd6898ec88c3af9f03af15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08018",
    "kind": "arxiv",
    "version": 1
  }
}