Pith Number

pith:QRN4RD4J

pith:2016:QRN4RD4JOGN7DCHF7WWCAQPYX6

not attested not anchored not stored refs pending

Optimal processes for probabilistic work extraction beyond the second law

Andrea Mari, Vasco Cavina, Vittorio Giovannetti

arxiv:1604.08094 v1 · 2016-04-27 · 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{QRN4RD4JOGN7DCHF7WWCAQPYX6}

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	2026-05-18T01:11:04.751032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

845bc88f89719bf188e5fdac2041f8bfbf2842ea6afc11eb9f65a7b5947bfc68

Aliases

arxiv: 1604.08094 · arxiv_version: 1604.08094v1 · doi: 10.48550/arxiv.1604.08094 · pith_short_12: QRN4RD4JOGN7 · pith_short_16: QRN4RD4JOGN7DCHF · pith_short_8: QRN4RD4J

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/QRN4RD4JOGN7DCHF7WWCAQPYX6 \
  | 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: 845bc88f89719bf188e5fdac2041f8bfbf2842ea6afc11eb9f65a7b5947bfc68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9921000ced6750105817934ce904bcc541f721f0eae2dab806db81da9736b02",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-27T14:54:22Z",
    "title_canon_sha256": "99a50bababc9fdf371e4c67c6c4fe7092576b4c412552ea174e043b09b3a1710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08094",
    "kind": "arxiv",
    "version": 1
  }
}