Pith Number

pith:NH7XYPT5

pith:2017:NH7XYPT5LYBIQP3TXLYDAP53LC

not attested not anchored not stored refs pending

Alternative thermodynamic cycle for the Stirling machine

Alejandro Romanelli

arxiv:1704.01611 v1 · 2017-04-05 · physics.class-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{NH7XYPT5LYBIQP3TXLYDAP53LC}

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	2026-05-18T00:30:17.022767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69ff7c3e7d5e02883f73baf0303fbb589de6ed5d17bf71213516cc7aaf06011a

Aliases

arxiv: 1704.01611 · arxiv_version: 1704.01611v1 · doi: 10.48550/arxiv.1704.01611 · pith_short_12: NH7XYPT5LYBI · pith_short_16: NH7XYPT5LYBIQP3T · pith_short_8: NH7XYPT5

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/NH7XYPT5LYBIQP3TXLYDAP53LC \
  | 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: 69ff7c3e7d5e02883f73baf0303fbb589de6ed5d17bf71213516cc7aaf06011a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87147aee7f32dd85248f8b0db11a9ce87642636cc945feca59fad0093c951ad3",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-04-05T18:59:55Z",
    "title_canon_sha256": "d43572f5e970945ee0add9a43daf08714aa6fadae66bdd31c7994d86d31b2281"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01611",
    "kind": "arxiv",
    "version": 1
  }
}