Pith Number

pith:WHWUHLXI

pith:2010:WHWUHLXILS3YYVD5XWMVC5CHEO

not attested not anchored not stored refs pending

Random Topologies and the emergence of cooperation: the role of short-cuts

Angel S\'anchez, Daniele Vilone, Jes\'us G\'omez-Garde\~nes

arxiv:1010.3547 v4 · 2010-10-18 · 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{WHWUHLXILS3YYVD5XWMVC5CHEO}

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	2026-05-18T02:05:01.918626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1ed43aee85cb78c547dbd995174472391cee31c883b2a69227fb1e02d78f60e

Aliases

arxiv: 1010.3547 · arxiv_version: 1010.3547v4 · doi: 10.48550/arxiv.1010.3547 · pith_short_12: WHWUHLXILS3Y · pith_short_16: WHWUHLXILS3YYVD5 · pith_short_8: WHWUHLXI

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/WHWUHLXILS3YYVD5XWMVC5CHEO \
  | 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: b1ed43aee85cb78c547dbd995174472391cee31c883b2a69227fb1e02d78f60e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86e460e123d36bb4f0f1c50b1837207f1ed06195feabd5ca86bc2b6c85bb19d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-10-18T10:32:04Z",
    "title_canon_sha256": "8091949fc5c48ec6ab166e303d73033ea3e009b0929817e658b208149b1433d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3547",
    "kind": "arxiv",
    "version": 4
  }
}