Pith Number

pith:VC7EKWYO

pith:2013:VC7EKWYOLPCVI2VJBOLRKO6SRY

not attested not anchored not stored refs pending

Death and resurrection of the zeroth principle of thermodynamics

Carlo Rovelli, Hal M. Haggard

arxiv:1302.0724 v1 · 2013-02-04 · gr-qc · 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{VC7EKWYOLPCVI2VJBOLRKO6SRY}

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	2026-05-18T02:56:44.340541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8be455b0e5bc5546aa90b97153bd28e100241893bd8916c8b29ad415a0679c7

Aliases

arxiv: 1302.0724 · arxiv_version: 1302.0724v1 · doi: 10.48550/arxiv.1302.0724 · pith_short_12: VC7EKWYOLPCV · pith_short_16: VC7EKWYOLPCVI2VJ · pith_short_8: VC7EKWYO

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/VC7EKWYOLPCVI2VJBOLRKO6SRY \
  | 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: a8be455b0e5bc5546aa90b97153bd28e100241893bd8916c8b29ad415a0679c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e2cf280e48c9bd2206f103c7c6795a3a52b480454b3c094fa463a4cc2cfbb94",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-04T15:36:07Z",
    "title_canon_sha256": "6b9738e19d810cb5537bafa8389582cb2c9e611ac6b9a8d28965eebeca4d9c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0724",
    "kind": "arxiv",
    "version": 1
  }
}