Pith Number

pith:OJCVXPBQ

pith:2007:OJCVXPBQDBJTUWK6Z5SPXVMOGG

not attested not anchored not stored refs pending

A first--order irreversible thermodynamic approach to a simple energy converter

F. Angulo-Brown, L. A. Arias-Hern\'andez, R. T. Paez-Hern\'andez

arxiv:0709.0321 v1 · 2007-09-04 · 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{OJCVXPBQDBJTUWK6Z5SPXVMOGG}

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	2026-05-18T01:17:01.659133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72455bbc3018533a595ecf64fbd58e31b243258fd0908debc50631d973cedd9d

Aliases

arxiv: 0709.0321 · arxiv_version: 0709.0321v1 · doi: 10.48550/arxiv.0709.0321 · pith_short_12: OJCVXPBQDBJT · pith_short_16: OJCVXPBQDBJTUWK6 · pith_short_8: OJCVXPBQ

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/OJCVXPBQDBJTUWK6Z5SPXVMOGG \
  | 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: 72455bbc3018533a595ecf64fbd58e31b243258fd0908debc50631d973cedd9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62afe1947e9428e93a015cb891801d20430f01492c39e8224cad1588ecec837b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2007-09-04T01:49:15Z",
    "title_canon_sha256": "75b8523edb33f567e38f92d2c687052a6a77abed7eb1a87dbfae5422411e8eec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0321",
    "kind": "arxiv",
    "version": 1
  }
}