Pith Number

pith:7A5CZG5H

pith:2013:7A5CZG5HZ33QNDHHVKALOCLUSA

not attested not anchored not stored refs pending

Exactly scale-free scale-free networks

Kevin Judd, Linjun Zhang, Michael Small

arxiv:1309.0961 v4 · 2013-09-04 · physics.soc-ph · cs.SI · nlin.AO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7A5CZG5HZ33QNDHHVKALOCLUSA}

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	2026-05-18T02:35:52.370491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f83a2c9ba7cef7068ce7aa80b709749012455fe812dad5492f9aae7b101a2c0c

Aliases

arxiv: 1309.0961 · arxiv_version: 1309.0961v4 · doi: 10.48550/arxiv.1309.0961 · pith_short_12: 7A5CZG5HZ33Q · pith_short_16: 7A5CZG5HZ33QNDHH · pith_short_8: 7A5CZG5H

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/7A5CZG5HZ33QNDHHVKALOCLUSA \
  | 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: f83a2c9ba7cef7068ce7aa80b709749012455fe812dad5492f9aae7b101a2c0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d0590c54487dbb6a571c56267e87e1fb1541b9244c6877431d41d999464de9",
    "cross_cats_sorted": [
      "cs.SI",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-09-04T10:17:40Z",
    "title_canon_sha256": "a072b3cd060f3f057819bfa3db56d4902fb245c2cb5edf9956cf173e4c8edcc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0961",
    "kind": "arxiv",
    "version": 4
  }
}