Pith Number

pith:LB5V7VY5

pith:2014:LB5V7VY5U5CHPUVXVTA3VSUB4V

not attested not anchored not stored refs pending

Engine efficiency at maximum power, entropy production and equilibrium thermodynamics

Kamal Bhattacharyya

arxiv:1405.2273 v3 · 2014-05-09 · physics.chem-ph · 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{LB5V7VY5U5CHPUVXVTA3VSUB4V}

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	2026-05-18T01:12:23.015770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

587b5fd71da74477d2b7acc1baca81e571f14cdd8b7bc9f5361f3ac0e5acea22

Aliases

arxiv: 1405.2273 · arxiv_version: 1405.2273v3 · doi: 10.48550/arxiv.1405.2273 · pith_short_12: LB5V7VY5U5CH · pith_short_16: LB5V7VY5U5CHPUVX · pith_short_8: LB5V7VY5

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/LB5V7VY5U5CHPUVXVTA3VSUB4V \
  | 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: 587b5fd71da74477d2b7acc1baca81e571f14cdd8b7bc9f5361f3ac0e5acea22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd8a215b5af8b22ac112a61e5013b3c38084218ca1d326198d92dd5f6290ae7",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2014-05-09T15:56:06Z",
    "title_canon_sha256": "8702737dcddbd5acffe9271c1db5eaaf3a5a37d663c7e47aff179ecca2ced839"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2273",
    "kind": "arxiv",
    "version": 3
  }
}