Pith Number

pith:FT5WQO4H

pith:2008:FT5WQO4HWTOCN2TXRZVAPZJ3NK

not attested not anchored not stored refs pending

Thermodynamics of natural images

Gasper Tkacik, Greg J Stephens, Thierry Mora, William Bialek

arxiv:0806.2694 v1 · 2008-06-17 · q-bio.NC · cond-mat.stat-mech · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FT5WQO4HWTOCN2TXRZVAPZJ3NK}

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	2026-05-18T03:22:28.535065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cfb683b87b4dc26ea778e6a07e53b6a8ea8afbaaee3ebd58a75f2181391e728

Aliases

arxiv: 0806.2694 · arxiv_version: 0806.2694v1 · doi: 10.48550/arxiv.0806.2694 · pith_short_12: FT5WQO4HWTOC · pith_short_16: FT5WQO4HWTOCN2TX · pith_short_8: FT5WQO4H

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/FT5WQO4HWTOCN2TXRZVAPZJ3NK \
  | 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: 2cfb683b87b4dc26ea778e6a07e53b6a8ea8afbaaee3ebd58a75f2181391e728

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32fb51e310904103e26d7d9004e8cf07d54626d82b48e5ba6ce9f882bdbe5b70",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.QM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2008-06-17T02:25:52Z",
    "title_canon_sha256": "13c09bd8bf43e94275c138e042f14798c29ea5dd5346e5bc7d811609f14de8d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2694",
    "kind": "arxiv",
    "version": 1
  }
}