Pith Number

pith:6KC3XFG4

pith:2015:6KC3XFG4PBWMGRJINZNWSWPL2A

not attested not anchored not stored refs pending

Thermodynamics of topological black holes in $R^{2}$ gravity

Guido Cognola, Luciano Vanzo, Massimiliano Rinaldi, Sergio Zerbini

arxiv:1503.05151 v3 · 2015-03-17 · 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{6KC3XFG4PBWMGRJINZNWSWPL2A}

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	2026-05-18T02:14:16.596576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f285bb94dc786cc345286e5b6959ebd0098de8f77af78752635c0944c0b9b4c9

Aliases

arxiv: 1503.05151 · arxiv_version: 1503.05151v3 · doi: 10.48550/arxiv.1503.05151 · pith_short_12: 6KC3XFG4PBWM · pith_short_16: 6KC3XFG4PBWMGRJI · pith_short_8: 6KC3XFG4

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/6KC3XFG4PBWMGRJINZNWSWPL2A \
  | 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: f285bb94dc786cc345286e5b6959ebd0098de8f77af78752635c0944c0b9b4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4204fb49d795f178f6349d71cda9b2735b40789de7bc3995b480a7c28ced6a99",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-03-17T18:23:48Z",
    "title_canon_sha256": "2f9d2479607c64adc0fe577919a6fba136a4f6062daa97e02a928ed33919aefe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05151",
    "kind": "arxiv",
    "version": 3
  }
}