Pith Number

pith:SRSV2YUC

pith:2013:SRSV2YUCDTQL6DORR77KJY7OWM

not attested not anchored not stored refs pending

A nano heat engine beyond the Carnot limit

Eric Lutz, Ferdinand Schmidt-Kaler, Johannes Ro{\ss}nagel, Kilian Singer, Obinna Abah

arxiv:1308.5935 v2 · 2013-08-27 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRSV2YUCDTQL6DORR77KJY7OWM}

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.

Cited by

1 paper in Pith

Ergotropy and Work Extraction in Quantum Heat Engines via Quantum Channels

Receipt and verification

First computed	2026-05-18T03:00:37.056430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94655d62821ce0bf0dd18ffea4e3eeb33d30bd412ecc1ed933c4086e0072e9ab

Aliases

arxiv: 1308.5935 · arxiv_version: 1308.5935v2 · doi: 10.48550/arxiv.1308.5935 · pith_short_12: SRSV2YUCDTQL · pith_short_16: SRSV2YUCDTQL6DOR · pith_short_8: SRSV2YUC

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/SRSV2YUCDTQL6DORR77KJY7OWM \
  | 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: 94655d62821ce0bf0dd18ffea4e3eeb33d30bd412ecc1ed933c4086e0072e9ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b30e55bda78bed07a255f8e4a2c898f61a596dbd20fe86e6588c905fdb52f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-27T17:54:58Z",
    "title_canon_sha256": "99af04196b4152c1e96e25a680a004b65b29c9a836112402c8cf2028d8f59228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5935",
    "kind": "arxiv",
    "version": 2
  }
}