Pith Number

pith:JK3C53P7

pith:2016:JK3C53P7UYO55IXQKVEMRMJFFQ

not attested not anchored not stored refs pending

Phase transition from egalitarian to hierarchical societies driven by competition between cognitive and social constraints

Nestor Caticha, Rafael Calsaverini, Renato Vicente

arxiv:1608.03637 v1 · 2016-08-11 · 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{JK3C53P7UYO55IXQKVEMRMJFFQ}

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	2026-05-18T01:09:12.302371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab62eedffa61ddea2f05548c8b1252c01ef6fc85e98934d8212a9ecad769c75

Aliases

arxiv: 1608.03637 · arxiv_version: 1608.03637v1 · doi: 10.48550/arxiv.1608.03637 · pith_short_12: JK3C53P7UYO5 · pith_short_16: JK3C53P7UYO55IXQ · pith_short_8: JK3C53P7

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/JK3C53P7UYO55IXQKVEMRMJFFQ \
  | 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: 4ab62eedffa61ddea2f05548c8b1252c01ef6fc85e98934d8212a9ecad769c75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef070cc65bfa03c7f7153ecb772fd0712e9e5199f7d9720661d60b5ec4af146a",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2016-08-11T23:38:23Z",
    "title_canon_sha256": "fab8b339b37aa5a2655344f66109049680a2ba4366df0f3200eb9f18a2e6607b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03637",
    "kind": "arxiv",
    "version": 1
  }
}