Pith Number

pith:QHTIREAB

pith:2025:QHTIREABEPCVDKT55FYEVL7BW4

not attested not anchored not stored refs pending

Regular Schwarzschild black holes and cosmological models

Alexander Kamenshchik, Jorge Ovalle, Roberto Casadio

arxiv:2502.13627 v1 · 2025-02-19 · 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{QHTIREABEPCVDKT55FYEVL7BW4}

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

1 paper in Pith

Cauchy Horizon (In)Stability of Regular Black Holes

Receipt and verification

First computed	2026-07-05T10:16:50.393946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e688900123c551aa7de9704aafe1b725bfb9b211ed5b633cf2b7acf13b6028

Aliases

arxiv: 2502.13627 · arxiv_version: 2502.13627v1 · doi: 10.48550/arxiv.2502.13627 · pith_short_12: QHTIREABEPCV · pith_short_16: QHTIREABEPCVDKT5 · pith_short_8: QHTIREAB

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/QHTIREABEPCVDKT55FYEVL7BW4 \
  | 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: 81e688900123c551aa7de9704aafe1b725bfb9b211ed5b633cf2b7acf13b6028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a4e41f29c3724d9a8b7cd78e53a701eefc6f8e27e23f9979f5f80ed3c4c2369",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-02-19T11:04:16Z",
    "title_canon_sha256": "cc59a631119d93cefd442c8583aab7813182961b89a55ae1511adc74eee70a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13627",
    "kind": "arxiv",
    "version": 1
  }
}