Pith Number

pith:CNZK2QD6

pith:2003:CNZK2QD64PWWYUPHUO5WEAQX5P

not attested not anchored not stored refs pending

A quantum version of free energy - irreversible work relations

Christian Maes, Wojciech De Roeck

arxiv:cond-mat/0309498 v1 · 2003-09-22 · cond-mat

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNZK2QD64PWWYUPHUO5WEAQX5P}

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	2026-05-18T02:03:44.139781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1372ad407ee3ed6c51e7a3bb620217ebda8966debba2dc994b67db658d48fedf

Aliases

arxiv: cond-mat/0309498 · arxiv_version: cond-mat/0309498v1 · doi: 10.48550/arxiv.cond-mat/0309498 · pith_short_12: CNZK2QD64PWW · pith_short_16: CNZK2QD64PWWYUPH · pith_short_8: CNZK2QD6

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/CNZK2QD64PWWYUPHUO5WEAQX5P \
  | 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: 1372ad407ee3ed6c51e7a3bb620217ebda8966debba2dc994b67db658d48fedf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3b88a32d883e65fb7da656229928f347755f7fda0c336e641558a207a40e910",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "2003-09-22T12:11:06Z",
    "title_canon_sha256": "378764fcbfcc4ab71d333a6f563f69c2fc0a5bcf9773e8438dd721e60e129a60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0309498",
    "kind": "arxiv",
    "version": 1
  }
}