Pith Number

pith:66Y427M4

pith:2009:66Y427M4F5L4HJ7WU5PFTEWUNR

not attested not anchored not stored refs pending

Onsager coefficients of a finite-time Carnot cycle

Koji Okuda, Yuki Izumida

arxiv:0907.4868 v1 · 2009-07-28 · 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{66Y427M4F5L4HJ7WU5PFTEWUNR}

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	2026-05-18T02:12:47.148882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b1cd7d9c2f57c3a7f6a75e5992d46c6549b78bb22de293b0b0d4d9c6af4410

Aliases

arxiv: 0907.4868 · arxiv_version: 0907.4868v1 · doi: 10.48550/arxiv.0907.4868 · pith_short_12: 66Y427M4F5L4 · pith_short_16: 66Y427M4F5L4HJ7W · pith_short_8: 66Y427M4

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/66Y427M4F5L4HJ7WU5PFTEWUNR \
  | 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: f7b1cd7d9c2f57c3a7f6a75e5992d46c6549b78bb22de293b0b0d4d9c6af4410

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d30ed80d26d75a6f40390158d7940268bd231fe55da80b6642ed4cedddb4929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2009-07-28T09:07:01Z",
    "title_canon_sha256": "7de2c320cb1aab0f2c3a0904157ca1af3be8534eea5089bb38f78d8b2e44db93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4868",
    "kind": "arxiv",
    "version": 1
  }
}