Pith Number

pith:FWEMCUXA

pith:2022:FWEMCUXAFQLH7FSRXLAYYGSRFG

not attested not anchored not stored refs pending

Optimal linear cyclic quantum heat engines cannot benefit from strong coupling

Junjie Liu, Kenneth A. Jung

arxiv:2206.11453 v2 · 2022-06-23 · cond-mat.stat-mech · cond-mat.mes-hall · 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{FWEMCUXAFQLH7FSRXLAYYGSRFG}

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	2026-07-05T04:53:28.991846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d88c152e02c167f9651bac18c1a5129b1567c241e7ec3dd370374210942b846

Aliases

arxiv: 2206.11453 · arxiv_version: 2206.11453v2 · doi: 10.48550/arxiv.2206.11453 · pith_short_12: FWEMCUXAFQLH · pith_short_16: FWEMCUXAFQLH7FSR · pith_short_8: FWEMCUXA

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/FWEMCUXAFQLH7FSRXLAYYGSRFG \
  | 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: 2d88c152e02c167f9651bac18c1a5129b1567c241e7ec3dd370374210942b846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49404e33f970f51ce3414e77696edad25a5b73f65e52b0c7e5d492463eb3c939",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2022-06-23T02:14:43Z",
    "title_canon_sha256": "12609b401bad2c217764111fbf5fffcbe3d518caa585dc4e7c9f35bb0382a781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.11453",
    "kind": "arxiv",
    "version": 2
  }
}