Pith Number

pith:CRZ3ZRMT

pith:2014:CRZ3ZRMTN3W276L37EGI6W5ILC

not attested not anchored not stored refs pending

Continuity and boundary conditions in thermodynamics: From Carnot's efficiency to efficiencies at maximum power

Christophe Goupil, Henni Ouerdane, Philippe Lecoeur, Yann Apertet

arxiv:1411.4230 v2 · 2014-11-16 · physics.hist-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{CRZ3ZRMTN3W276L37EGI6W5ILC}

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	2026-05-18T01:37:02.043763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1473bcc5936eedaff97bf90c8f5ba8589b1e0229cb72163fb822c17235a33b61

Aliases

arxiv: 1411.4230 · arxiv_version: 1411.4230v2 · doi: 10.48550/arxiv.1411.4230 · pith_short_12: CRZ3ZRMTN3W2 · pith_short_16: CRZ3ZRMTN3W276L3 · pith_short_8: CRZ3ZRMT

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/CRZ3ZRMTN3W276L37EGI6W5ILC \
  | 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: 1473bcc5936eedaff97bf90c8f5ba8589b1e0229cb72163fb822c17235a33b61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da83e930dd223a0ff08f3a8017a95c9eaed2dc1c6a620ef60f119555124d9d9a",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2014-11-16T08:55:43Z",
    "title_canon_sha256": "57a8fe50dd9488c1c96196db1edb29ce076ad088904e4a3050cbce73d8025e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4230",
    "kind": "arxiv",
    "version": 2
  }
}