Pith Number

pith:HRUVV3ZV

pith:2025:HRUVV3ZVBGLF3LPTLUYGTAAGLY

not attested not anchored not stored refs pending

Intrinsic motivation as constrained entropy maximization

Alex B. Kiefer

arxiv:2502.02962 v3 · 2025-02-05 · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRUVV3ZVBGLF3LPTLUYGTAAGLY}

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	2026-07-05T10:13:47.479456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c695aef3509965dadf35d306980065e2b665282d63445d48c6b720c820f8401

Aliases

arxiv: 2502.02962 · arxiv_version: 2502.02962v3 · doi: 10.48550/arxiv.2502.02962 · pith_short_12: HRUVV3ZVBGLF · pith_short_16: HRUVV3ZVBGLF3LPT · pith_short_8: HRUVV3ZV

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/HRUVV3ZVBGLF3LPTLUYGTAAGLY \
  | 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: 3c695aef3509965dadf35d306980065e2b665282d63445d48c6b720c820f8401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c5264e26140117965b0c126c68588030715bb0f909885ce98deb4283fcf9978",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2025-02-05T07:57:51Z",
    "title_canon_sha256": "6f720ce6a33bd5f0fd2b6f83f2c5a0e1e3af7ff6ed8ab046e43b9441d807a3d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02962",
    "kind": "arxiv",
    "version": 3
  }
}