Pith Number

pith:XQSONE5P

pith:2012:XQSONE5PSJUPZBJ4B4JJSUZ7IL

not attested not anchored not stored refs pending

Teaching the third law of thermodynamics

A. Y. Klimenko

arxiv:1208.4189 v1 · 2012-08-21 · physics.class-ph · physics.ed-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{XQSONE5PSJUPZBJ4B4JJSUZ7IL}

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	2026-05-18T03:48:24.668265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc24e693af9268fc853c0f1299533f42ed51b4f5262a6d47a85411d628e2c737

Aliases

arxiv: 1208.4189 · arxiv_version: 1208.4189v1 · doi: 10.48550/arxiv.1208.4189 · pith_short_12: XQSONE5PSJUP · pith_short_16: XQSONE5PSJUPZBJ4 · pith_short_8: XQSONE5P

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/XQSONE5PSJUPZBJ4B4JJSUZ7IL \
  | 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: bc24e693af9268fc853c0f1299533f42ed51b4f5262a6d47a85411d628e2c737

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9787b7c5a2c4a691bf150c01e20355ae736d8d83bef0f6dc510055d322d376e6",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2012-08-21T04:39:04Z",
    "title_canon_sha256": "cbbf1f46fc97a85bde2f9afd3fa61d4ba2754740cf61539cb64ab3966af9f5f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4189",
    "kind": "arxiv",
    "version": 1
  }
}