Pith Number

pith:624LRNWQ

pith:2026:624LRNWQNKYIODAHBB5DBX2F56

not attested not anchored not stored refs pending

A third law of thermodynamics is an unnecessary complexity

Jos\'e-Mar\'ia Mart\'in-Olalla

arxiv:2602.03244 v2 · 2026-02-03 · physics.hist-ph · physics.chem-ph · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{624LRNWQNKYIODAHBB5DBX2F56}

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	2026-06-03T00:05:03.643816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b8b8b6d06ab0870c07087a30df45ef98e255bc8fc6e86a962d3b19f3db9148

Aliases

arxiv: 2602.03244 · arxiv_version: 2602.03244v2 · doi: 10.48550/arxiv.2602.03244 · pith_short_12: 624LRNWQNKYI · pith_short_16: 624LRNWQNKYIODAH · pith_short_8: 624LRNWQ

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/624LRNWQNKYIODAHBB5DBX2F56 \
  | 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: f6b8b8b6d06ab0870c07087a30df45ef98e255bc8fc6e86a962d3b19f3db9148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9046ff32eb30449740be7b910a0a668c6dbf9605bfe048f08808e04a952ce8db",
    "cross_cats_sorted": [
      "physics.chem-ph",
      "physics.class-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2026-02-03T08:23:51Z",
    "title_canon_sha256": "f8f56d212f13a26a355aaef1e8ced292b1e5f75432f2763e423fc6f6b8036d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.03244",
    "kind": "arxiv",
    "version": 2
  }
}