Pith Number

pith:O4XSV77I

pith:2016:O4XSV77ID3NRSH2EJUT2JES2EE

not attested not anchored not stored refs pending

Maximum efficiency of steady-state heat engines at arbitrary power

Artem Ryabov, Viktor Holubec

arxiv:1603.02623 v3 · 2016-03-08 · 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{O4XSV77ID3NRSH2EJUT2JES2EE}

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	2026-05-18T01:14:43.816087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

772f2affe81edb191f444d27a4925a2108e2e83629cf0a9679feb5b72841c807

Aliases

arxiv: 1603.02623 · arxiv_version: 1603.02623v3 · doi: 10.48550/arxiv.1603.02623 · pith_short_12: O4XSV77ID3NR · pith_short_16: O4XSV77ID3NRSH2E · pith_short_8: O4XSV77I

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/O4XSV77ID3NRSH2EJUT2JES2EE \
  | 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: 772f2affe81edb191f444d27a4925a2108e2e83629cf0a9679feb5b72841c807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6720777c83aba3de9e8c8db9d1bb989bbb8cdb04724fb76391584ecc340a23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2016-03-08T19:07:09Z",
    "title_canon_sha256": "839388010df69fd487f9f5c2fc24b876ac9a80ef7809fa8fdcaac2c5241e3f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02623",
    "kind": "arxiv",
    "version": 3
  }
}