Pith Number

pith:QYFDLAKZ

pith:2014:QYFDLAKZIH45F4NIIEDLCB5L66

not attested not anchored not stored refs pending

Constitutive Relation for Nonlinear Response and Universality of Efficiency at Maximum Power for Tight-Coupling Heat Engines

Shiqi Sheng, Z. C. Tu

arxiv:1404.7008 v4 · 2014-04-28 · 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{QYFDLAKZIH45F4NIIEDLCB5L66}

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	2026-05-18T02:25:34.146485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

860a35815941f9d2f1a84106b107abf784eabaef651127913273074e5f1fd181

Aliases

arxiv: 1404.7008 · arxiv_version: 1404.7008v4 · doi: 10.48550/arxiv.1404.7008 · pith_short_12: QYFDLAKZIH45 · pith_short_16: QYFDLAKZIH45F4NI · pith_short_8: QYFDLAKZ

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/QYFDLAKZIH45F4NIIEDLCB5L66 \
  | 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: 860a35815941f9d2f1a84106b107abf784eabaef651127913273074e5f1fd181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b85e764b1390076acf628a23b4290ac1e683597e28816fb85b5ca5230e71e338",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2014-04-28T14:42:22Z",
    "title_canon_sha256": "9517c79cb21d4158471cb825bc640d3e3d4a47a8ff7aded04526dd229300d027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7008",
    "kind": "arxiv",
    "version": 4
  }
}