Pith Number

pith:YPMGPY5V

pith:2011:YPMGPY5VFW5E3JIJMWPPQR55BS

not attested not anchored not stored refs pending

Irreversibilities and efficiency at maximum power of heat engines: illustrative case of a thermoelectric generator

C. Goupil, H. Ouerdane, Ph. Lecoeur, Y. Apertet

arxiv:1111.1619 v2 · 2011-11-04 · 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{YPMGPY5VFW5E3JIJMWPPQR55BS}

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	2026-05-18T04:00:02.613951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3d867e3b52dba4da509659ef847bd0cacb470e7d139cda52aa5d641aba88228

Aliases

arxiv: 1111.1619 · arxiv_version: 1111.1619v2 · doi: 10.48550/arxiv.1111.1619 · pith_short_12: YPMGPY5VFW5E · pith_short_16: YPMGPY5VFW5E3JIJ · pith_short_8: YPMGPY5V

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/YPMGPY5VFW5E3JIJMWPPQR55BS \
  | 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: c3d867e3b52dba4da509659ef847bd0cacb470e7d139cda52aa5d641aba88228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ae89188e19cd7931f33b28d0af8c713c863cc44c6dd07d056c2f83468f3175",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2011-11-04T18:22:08Z",
    "title_canon_sha256": "c74e21b5c80ca92eeff484b42dc564b275666b5ccbb6956a3d34ff4b86f4e18e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1619",
    "kind": "arxiv",
    "version": 2
  }
}