Pith Number

pith:SPS7FF2W

pith:2023:SPS7FF2WKN4VNVKRMX7CPW2OM6

not attested not anchored not stored refs pending

Improving Performance of Quantum Heat Engines using modified Otto cycle

Harsh Sharma, Revathy B. S, Uma Divakaran

arxiv:2302.07003 v2 · 2023-02-14 · 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{SPS7FF2WKN4VNVKRMX7CPW2OM6}

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	2026-07-05T08:40:05.675186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93e5f29756537956d55165fe27db4e67a869e6c78938986fc6d1922b6357faf2

Aliases

arxiv: 2302.07003 · arxiv_version: 2302.07003v2 · doi: 10.48550/arxiv.2302.07003 · pith_short_12: SPS7FF2WKN4V · pith_short_16: SPS7FF2WKN4VNVKR · pith_short_8: SPS7FF2W

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/SPS7FF2WKN4VNVKRMX7CPW2OM6 \
  | 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: 93e5f29756537956d55165fe27db4e67a869e6c78938986fc6d1922b6357faf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b147584d7e092a45aa9cf7e918f23ba8f6293cbe0a72f3ae53e874658220a412",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-02-14T12:18:53Z",
    "title_canon_sha256": "b0c2af4784abd085068a2a7c1138ab643cc81d405009d8a2ad815ff226161d7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.07003",
    "kind": "arxiv",
    "version": 2
  }
}