Pith Number

pith:LZOJRMR5

pith:2018:LZOJRMR53OLC5GL2EU5VEAJ3LM

not attested not anchored not stored refs pending

Optimal operating protocol to achieve efficiency at maximum power of heat engines

Chang-Pu Sun, Dazhi Xu, Hui Dong, Yu-Han Ma

arxiv:1805.05667 v4 · 2018-05-15 · quant-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{LZOJRMR53OLC5GL2EU5VEAJ3LM}

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	2026-05-18T00:07:07.229943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e5c98b23ddb962e997a253b52013b5b0e54dfd508c5655957a77bd5c89a3b6b

Aliases

arxiv: 1805.05667 · arxiv_version: 1805.05667v4 · doi: 10.48550/arxiv.1805.05667 · pith_short_12: LZOJRMR53OLC · pith_short_16: LZOJRMR53OLC5GL2 · pith_short_8: LZOJRMR5

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/LZOJRMR53OLC5GL2EU5VEAJ3LM \
  | 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: 5e5c98b23ddb962e997a253b52013b5b0e54dfd508c5655957a77bd5c89a3b6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab93c476509061a970ceb68cfdb48e9b3172e94b811f84611a59ea595d72cbd9",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-15T09:41:05Z",
    "title_canon_sha256": "ea085e5954a34e79d86e62bcc39849c8675be972fd66e696de35d5cb617f98fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05667",
    "kind": "arxiv",
    "version": 4
  }
}