Pith Number

pith:QCGVMBNU

pith:2024:QCGVMBNUYBRKFZZR3HHPREZC4P

not attested not anchored not stored refs pending

Revisiting Endo-reversible Carnot engine: Extending the Yvon engine

Xiu-Hua Zhao, Yu-Han Ma

arxiv:2412.13925 v2 · 2024-12-18 · cond-mat.stat-mech · physics.class-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{QCGVMBNUYBRKFZZR3HHPREZC4P}

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	2026-05-20T00:04:07.071871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808d5605b4c062a2e731d9cef89322e3e1ad509de4f719b7ef920e93f9ad36c0

Aliases

arxiv: 2412.13925 · arxiv_version: 2412.13925v2 · doi: 10.48550/arxiv.2412.13925 · pith_short_12: QCGVMBNUYBRK · pith_short_16: QCGVMBNUYBRKFZZR · pith_short_8: QCGVMBNU

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/QCGVMBNUYBRKFZZR3HHPREZC4P \
  | 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: 808d5605b4c062a2e731d9cef89322e3e1ad509de4f719b7ef920e93f9ad36c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f25132e76a4acceb66e9d152192af78c962604d8082f47ad7a8ad355743f68c7",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2024-12-18T15:08:56Z",
    "title_canon_sha256": "10c15fe673dfadc2585f1207d1c1c014db59bf4354aba616f693ed01db3ff0c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.13925",
    "kind": "arxiv",
    "version": 2
  }
}