Pith Number

pith:5KCQ6G4A

pith:2011:5KCQ6G4AHOL4W6VKPBYSTNNXNS

not attested not anchored not stored refs pending

Efficiency at maximum power of minimally nonlinear irreversible heat engines

Koji Okuda, Yuki Izumida

arxiv:1104.1542 v2 · 2011-04-08 · 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{5KCQ6G4AHOL4W6VKPBYSTNNXNS}

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	2026-05-18T04:03:54.537445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea850f1b803b97cb7aaa787129b5b76cbf3866ac9abf3f35bd16d74794b780f8

Aliases

arxiv: 1104.1542 · arxiv_version: 1104.1542v2 · doi: 10.48550/arxiv.1104.1542 · pith_short_12: 5KCQ6G4AHOL4 · pith_short_16: 5KCQ6G4AHOL4W6VK · pith_short_8: 5KCQ6G4A

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/5KCQ6G4AHOL4W6VKPBYSTNNXNS \
  | 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: ea850f1b803b97cb7aaa787129b5b76cbf3866ac9abf3f35bd16d74794b780f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193c96d80ecceeeb92426247b0654722652b399c942fcb7a1de45f85efe61cec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2011-04-08T10:54:15Z",
    "title_canon_sha256": "761c2dc0cac51fde0df950a730b86f749e1a2c2debff203f330ecd769b01bb8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1542",
    "kind": "arxiv",
    "version": 2
  }
}