Pith Number

pith:5W7GCXUZ

pith:2015:5W7GCXUZHYPC4ZVOFA62MEA33C

not attested not anchored not stored refs pending

Transitions between homophilic and heterophilic modes of cooperation

Genki Ichinose, Hiroki Sayama, Hugues Bersini, Masaya Saito

arxiv:1506.04450 v2 · 2015-06-15 · q-bio.PE · 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{5W7GCXUZHYPC4ZVOFA62MEA33C}

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	2026-05-18T00:46:59.892883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edbe615e993e1e2e66ae283da6101bd882e234a2266998263cee183a6e8817d4

Aliases

arxiv: 1506.04450 · arxiv_version: 1506.04450v2 · doi: 10.48550/arxiv.1506.04450 · pith_short_12: 5W7GCXUZHYPC · pith_short_16: 5W7GCXUZHYPC4ZVO · pith_short_8: 5W7GCXUZ

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/5W7GCXUZHYPC4ZVOFA62MEA33C \
  | 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: edbe615e993e1e2e66ae283da6101bd882e234a2266998263cee183a6e8817d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271d866ae019b9053fa0a4eccfcd9a8b7286d42414d2b80eafeb1a6faff37817",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2015-06-15T00:03:35Z",
    "title_canon_sha256": "dfd8bbfb2203d9a5f4212ba174357faf551a18c273e9517244c5453efad2acac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04450",
    "kind": "arxiv",
    "version": 2
  }
}