Pith Number

pith:6U2JQROA

pith:2004:6U2JQROAAMYMRHRYYQ3MZO2K4G

not attested not anchored not stored refs pending

On Gauss-Bonnet black hole entropy

Douglas J. Smith, Simon F. Ross, Tim Clunan

arxiv:gr-qc/0402044 v4 · 2004-02-10 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6U2JQROAAMYMRHRYYQ3MZO2K4G}

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.

Cited by

2 papers in Pith

Electrically Charged Distorted Black Holes: Thermodynamics, Particle Dynamics, and Quasinormal Signatures

Probabilistic Evolution of Black Hole Thermodynamic States via Fokker-Planck Equation

Receipt and verification

First computed	2026-07-04T16:47:41.305075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5349845c00330c89e38c436ccbb4ae19f4480cb89bbf6afd96dbbfa84755b96

Aliases

arxiv: gr-qc/0402044 · arxiv_version: gr-qc/0402044v4 · doi: 10.48550/arxiv.gr-qc/0402044 · pith_short_12: 6U2JQROAAMYM · pith_short_16: 6U2JQROAAMYMRHRY · pith_short_8: 6U2JQROA

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/6U2JQROAAMYMRHRYYQ3MZO2K4G \
  | 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: f5349845c00330c89e38c436ccbb4ae19f4480cb89bbf6afd96dbbfa84755b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34be4a4447acb2b01f600ec73d28aa9410c52cb8ed229698bda921b388e2e5fb",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-02-10T09:47:09Z",
    "title_canon_sha256": "b1568711a57a1a954ce4b474d5acf94fd42ecfb1d0bc0f67b1bf485099315761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0402044",
    "kind": "arxiv",
    "version": 4
  }
}