Pith Number

pith:OAJNJJHJ

pith:2026:OAJNJJHJROBLGHWGIX45RY67A4

not attested not anchored not stored refs pending

Regular black holes from pure gravity in four dimensions

Johanna Borissova, Ra\'ul Carballo-Rubio

arxiv:2602.16773 v2 · 2026-02-18 · 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{OAJNJJHJROBLGHWGIX45RY67A4}

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

13 papers in Pith

All $2D$ generalised dilaton theories from $d\geq 4$ gravities

Long-lived quasinormal modes, shadows and particle motion in four-dimensional quasi-topological gravity

Families of regular spacetimes and energy conditions

On mass inflation and thin shells in quasi-topological gravity

Regular ultracompact objects with anti-de Sitter cores as polymerized vacuum solutions

Receipt and verification

First computed	2026-06-04T01:08:45.688452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7012d4a4e98b82b31ec645f9d8e3df0702701524423f20b9d4cd50824d887a3e

Aliases

arxiv: 2602.16773 · arxiv_version: 2602.16773v2 · doi: 10.48550/arxiv.2602.16773 · pith_short_12: OAJNJJHJROBL · pith_short_16: OAJNJJHJROBLGHWG · pith_short_8: OAJNJJHJ

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/OAJNJJHJROBLGHWGIX45RY67A4 \
  | 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: 7012d4a4e98b82b31ec645f9d8e3df0702701524423f20b9d4cd50824d887a3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12d1774efb3b5019f99e8d18d24490b18bdf3813a87e0edbb3e8babd02407586",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-02-18T19:00:00Z",
    "title_canon_sha256": "25dc357fbf6cf27b11db42a2d7d1c886cb678d589b2e6abc3e8512a8fb0890c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.16773",
    "kind": "arxiv",
    "version": 2
  }
}