Pith Number

pith:4WQG7UQY

pith:2001:4WQG7UQYRBX2ITSFQ2LFOP5PBR

not attested not anchored not stored refs pending

Cooperation, adaptation and the emergence of leadership

Martin G. Zimmermann, Maxi San Miguel, Victor M. Eguiluz

arxiv:nlin/0105004 v1 · 2001-05-02 · nlin.AO · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WQG7UQYRBX2ITSFQ2LFOP5PBR}

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	2026-05-18T02:39:54.617029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a06fd218886fa44e458696573faf0c6f996c6a0e329e2ba8d62cb32f80f31f

Aliases

arxiv: nlin/0105004 · arxiv_version: nlin/0105004v1 · doi: 10.48550/arxiv.nlin/0105004 · pith_short_12: 4WQG7UQYRBX2 · pith_short_16: 4WQG7UQYRBX2ITSF · pith_short_8: 4WQG7UQY

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/4WQG7UQYRBX2ITSFQ2LFOP5PBR \
  | 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: e5a06fd218886fa44e458696573faf0c6f996c6a0e329e2ba8d62cb32f80f31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32033e0b01392a7e448fef58cdbde91de8db4cb750df80affa9e519872535ae4",
    "cross_cats_sorted": [
      "cond-mat"
    ],
    "license": "",
    "primary_cat": "nlin.AO",
    "submitted_at": "2001-05-02T16:34:16Z",
    "title_canon_sha256": "3112288844892f007847dc6914d48f08586e0a0af8133ea3263814be4ebe4bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0105004",
    "kind": "arxiv",
    "version": 1
  }
}