Pith Number

pith:ZNSTWU2C

pith:2015:ZNSTWU2CLK6UKVKBTG4PZGSUDG

not attested not anchored not stored refs pending

Quantum Otto engine with a spin $1/2$ coupled to an arbitrary spin

Ferdi Altintas, \"Ozg\"ur E. M\"ustecapl{\i}o\u{g}lu

arxiv:1502.00513 v4 · 2015-02-02 · quant-ph · 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{ZNSTWU2CLK6UKVKBTG4PZGSUDG}

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	2026-05-18T01:09:50.832998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb653b53425abd45554199b8fc9a54199c7a46547ae9c56033ef7d10a9ee5dd4

Aliases

arxiv: 1502.00513 · arxiv_version: 1502.00513v4 · doi: 10.48550/arxiv.1502.00513 · pith_short_12: ZNSTWU2CLK6U · pith_short_16: ZNSTWU2CLK6UKVKB · pith_short_8: ZNSTWU2C

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/ZNSTWU2CLK6UKVKBTG4PZGSUDG \
  | 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: cb653b53425abd45554199b8fc9a54199c7a46547ae9c56033ef7d10a9ee5dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f426b58511978bcde8c2e6fd2ffc5168b9e64aeeb6a031f45ae0b2e786ad1b65",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-02T15:28:41Z",
    "title_canon_sha256": "0d45f9730b6e0436a3429a991c39e5dd0495beb3345888d7f70ea5b530cb3f7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00513",
    "kind": "arxiv",
    "version": 4
  }
}