Pith Number

pith:QXSNLFHA

pith:2013:QXSNLFHAMCAOSUYXQ5IFIT4PQ7

not attested not anchored not stored refs pending

How much work can a quantum device extract from a heat engine?

D. Gelbwaser-Klimovsky, G. Kurizki, R. Alicki

arxiv:1302.3468 v2 · 2013-02-14 · 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{QXSNLFHAMCAOSUYXQ5IFIT4PQ7}

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	2026-05-18T03:10:47.863217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e4d594e06080e953178750544f8f87f833111bc2b522e7c5d4f2443c0df591

Aliases

arxiv: 1302.3468 · arxiv_version: 1302.3468v2 · doi: 10.48550/arxiv.1302.3468 · pith_short_12: QXSNLFHAMCAO · pith_short_16: QXSNLFHAMCAOSUYX · pith_short_8: QXSNLFHA

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/QXSNLFHAMCAOSUYXQ5IFIT4PQ7 \
  | 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: 85e4d594e06080e953178750544f8f87f833111bc2b522e7c5d4f2443c0df591

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecfb00d24489fee86139b2e52d3db24c3c2fe71520613002405e4669219476c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-02-14T16:58:24Z",
    "title_canon_sha256": "6ca89568a962c38ba7559c53adecfe05f8f95b561daf6381ed2971f1d7a186e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3468",
    "kind": "arxiv",
    "version": 2
  }
}