Pith Number

pith:KVWJWF22

pith:2018:KVWJWF22U5OLWGJZBAIGDSZSDQ

not attested not anchored not stored refs pending

Cooperative efficiency boost for quantum heat engines

David Gelbwaser-Klimovsky, Gernot Schaller, Wassilij Kopylov

arxiv:1809.02564 v2 · 2018-09-07 · 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{KVWJWF22U5OLWGJZBAIGDSZSDQ}

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	2026-05-17T23:52:24.186521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

556c9b175aa75cbb1939081061cb321c2df456320705bbf7e7be8edf3c4779b9

Aliases

arxiv: 1809.02564 · arxiv_version: 1809.02564v2 · doi: 10.48550/arxiv.1809.02564 · pith_short_12: KVWJWF22U5OL · pith_short_16: KVWJWF22U5OLWGJZ · pith_short_8: KVWJWF22

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/KVWJWF22U5OLWGJZBAIGDSZSDQ \
  | 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: 556c9b175aa75cbb1939081061cb321c2df456320705bbf7e7be8edf3c4779b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c1083074cf1bf314d711e1ff3e93fd428a340dae94b71005d66b7661d60c3c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-07T16:13:51Z",
    "title_canon_sha256": "14cff7ea9973a6067408557ed6994fc97d391b455914fb07715786f5b9b16580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02564",
    "kind": "arxiv",
    "version": 2
  }
}