Pith Number

pith:B2PC2I4E

pith:2013:B2PC2I4EULZEPJARCRPS22UJPH

not attested not anchored not stored refs pending

The small-world effect is a modern phenomenon

Charles R. Doering, David Lusseau, M. E. J. Newman, Seth A. Marvel, Travis Martin

arxiv:1310.2636 v1 · 2013-10-09 · 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{B2PC2I4EULZEPJARCRPS22UJPH}

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	2026-05-18T03:10:47.083768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e9e2d2384a2f247a411145f2d6a8979f2cc55639adfcfca044333786d4bf31b

Aliases

arxiv: 1310.2636 · arxiv_version: 1310.2636v1 · doi: 10.48550/arxiv.1310.2636 · pith_short_12: B2PC2I4EULZE · pith_short_16: B2PC2I4EULZEPJAR · pith_short_8: B2PC2I4E

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/B2PC2I4EULZEPJARCRPS22UJPH \
  | 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: 0e9e2d2384a2f247a411145f2d6a8979f2cc55639adfcfca044333786d4bf31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e95209df48dddd3aaf913f74ff2ec5a9fdb9389d199358ca1d32f9aea002df2",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-10-09T21:30:57Z",
    "title_canon_sha256": "28aec909c22a95579e754ab86dd1d54edc51677e1f217cfbe12afba4b666dc0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2636",
    "kind": "arxiv",
    "version": 1
  }
}