Pith Number

pith:Y3Z2T2OQ

pith:2006:Y3Z2T2OQ4IU2ZNYRCDNPEGTQX7

not attested not anchored not stored refs pending

Geographical effects on epidemic spreading in scale-free networks

Guanrong Chen, Tao Zhou, Wen-Xu Wang, Xin-Jian Xu

arxiv:physics/0606256 v1 · 2006-06-30 · 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{Y3Z2T2OQ4IU2ZNYRCDNPEGTQX7}

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	2026-05-18T01:38:06.867674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6f3a9e9d0e229acb71110daf21a70bffe0d43fb6b259dfc8589ab678165a02a

Aliases

arxiv: physics/0606256 · arxiv_version: physics/0606256v1 · doi: 10.48550/arxiv.physics/0606256 · pith_short_12: Y3Z2T2OQ4IU2 · pith_short_16: Y3Z2T2OQ4IU2ZNYR · pith_short_8: Y3Z2T2OQ

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/Y3Z2T2OQ4IU2ZNYRCDNPEGTQX7 \
  | 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: c6f3a9e9d0e229acb71110daf21a70bffe0d43fb6b259dfc8589ab678165a02a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58fb27cb276dac2ca4cb45a64b0d0f021cdece012280ecd52deef708eacd3af7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2006-06-30T01:39:41Z",
    "title_canon_sha256": "9ff9998f902e46842e0f03ba3c375e9b92a04a96f4382d77f4f04180232db250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0606256",
    "kind": "arxiv",
    "version": 1
  }
}