Pith Number

pith:46VB4RKQ

pith:2026:46VB4RKQMHPUU7ODLDHXIDA6RL

not attested not anchored not stored refs pending

Penrose-Rindler equation and horizon thermodynamics of stationary black holes

Alberto Guilabert, Diego Fern\'andez-Silvestre, Juan A. Miralles, Pedro Bargue\~no

arxiv:2602.16428 v2 · 2026-02-18 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{46VB4RKQMHPUU7ODLDHXIDA6RL}

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	2026-06-02T02:04:51.612751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7aa1e455061df4a7dc358cf740c1e8aebcb8445910cd49b1e946627dab77e33

Aliases

arxiv: 2602.16428 · arxiv_version: 2602.16428v2 · doi: 10.48550/arxiv.2602.16428 · pith_short_12: 46VB4RKQMHPU · pith_short_16: 46VB4RKQMHPUU7OD · pith_short_8: 46VB4RKQ

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/46VB4RKQMHPUU7ODLDHXIDA6RL \
  | 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: e7aa1e455061df4a7dc358cf740c1e8aebcb8445910cd49b1e946627dab77e33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89018e67b5cade6832bf457d79d5f43bac62ebd1d524b5888b9a1025c07fa70d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-02-18T13:00:08Z",
    "title_canon_sha256": "04636312b14887e1f327d863667a00ff5d053e0b86953059ffa45c23d48b2238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.16428",
    "kind": "arxiv",
    "version": 2
  }
}