Pith Number

pith:7KYISKCK

pith:2012:7KYISKCKMG25H7XRSBZQWOILAZ

not attested not anchored not stored refs pending

The simplest maximum entropy model for collective behavior in a neural network

Dario Amodei, Gasper Tkacik, Michael J. Berry II, Olivier Marre, Thierry Mora, William Bialek

arxiv:1207.6319 v1 · 2012-07-26 · q-bio.NC · cond-mat.dis-nn · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KYISKCKMG25H7XRSBZQWOILAZ}

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	2026-05-18T01:56:06.992365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fab089284a61b5d3fef190730b390b067b620e50f19b72076db45c55fbe59ac7

Aliases

arxiv: 1207.6319 · arxiv_version: 1207.6319v1 · doi: 10.48550/arxiv.1207.6319 · pith_short_12: 7KYISKCKMG25 · pith_short_16: 7KYISKCKMG25H7XR · pith_short_8: 7KYISKCK

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/7KYISKCKMG25H7XRSBZQWOILAZ \
  | 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: fab089284a61b5d3fef190730b390b067b620e50f19b72076db45c55fbe59ac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71dcfaed8d43f615ebc156024edd92d32012898d9730ed094bae6ca178a00845",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-07-26T16:28:11Z",
    "title_canon_sha256": "508cb789a2019a85f4aee16e1387091ac6e79415f983c0ef8707eba86e258af5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6319",
    "kind": "arxiv",
    "version": 1
  }
}