Pith Number

pith:JQJURBUL

pith:2019:JQJURBULLK25XC5D26F7JUVAOW

not attested not anchored not stored refs pending

Three-level laser heat engine at optimal performance with ecological function

Ramandeep S. Johal, Varinder Singh

arxiv:1902.03727 v1 · 2019-02-11 · quant-ph · cond-mat.mes-hall · 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{JQJURBULLK25XC5D26F7JUVAOW}

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

Quantum Brayton Engine of Non-Interacting Fermions in a One-Dimensional Box

Receipt and verification

First computed	2026-07-04T23:50:36.412131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c1348868b5ab5db8ba3d78bf4d2a0759b2bc2c3bce2231ab05ade738dbab69b

Aliases

arxiv: 1902.03727 · arxiv_version: 1902.03727v1 · doi: 10.48550/arxiv.1902.03727 · pith_short_12: JQJURBULLK25 · pith_short_16: JQJURBULLK25XC5D · pith_short_8: JQJURBUL

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/JQJURBULLK25XC5D26F7JUVAOW \
  | 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: 4c1348868b5ab5db8ba3d78bf4d2a0759b2bc2c3bce2231ab05ade738dbab69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fedc875a6117136e05fc1c1e7602b5ea4d5b92b984cc7fa7d217db4600f0012c",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-11T04:36:31Z",
    "title_canon_sha256": "90173713c3bfd2274ff7715a04d36a4f0a2f303ac4b9c62c8d5796eabe0ad55e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03727",
    "kind": "arxiv",
    "version": 1
  }
}