Pith Number

pith:OCSSVZXW

pith:2012:OCSSVZXW7ODLXKW27OUCGNLZRC

not attested not anchored not stored refs pending

Metabolic cost as an organizing principle for cooperative learning

David Balduzzi, Michel Besserve, Pedro A Ortega

arxiv:1202.4482 v2 · 2012-02-20 · q-bio.NC · cs.LG · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OCSSVZXW7ODLXKW27OUCGNLZRC}

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	2026-05-18T03:34:03.365684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70a52ae6f6fb86bbaadafba823357988809ef9413a68f1708aa2b4608978b9a3

Aliases

arxiv: 1202.4482 · arxiv_version: 1202.4482v2 · doi: 10.48550/arxiv.1202.4482 · pith_short_12: OCSSVZXW7ODL · pith_short_16: OCSSVZXW7ODLXKW2 · pith_short_8: OCSSVZXW

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/OCSSVZXW7ODLXKW27OUCGNLZRC \
  | 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: 70a52ae6f6fb86bbaadafba823357988809ef9413a68f1708aa2b4608978b9a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "157debb8c0e3d32bb5de2b77c58727a2f35a0853867dc0791b1110ebb776520a",
    "cross_cats_sorted": [
      "cs.LG",
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-02-20T22:02:16Z",
    "title_canon_sha256": "ec0b6ffe0935e92dbbe1499a4cb12026392e132cd8158e8e81de3346d61f2f55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4482",
    "kind": "arxiv",
    "version": 2
  }
}