Pith Number

pith:KQXVRDEN

pith:2025:KQXVRDENTSPAMEMZRDCZZQ2DF7

not attested not anchored not stored refs pending

Optical Characteristics of the Kerr-Bertotti-Robinson Black Hole

Chen-Yu Yang, Hao Yu, Xiao-Xiong Zeng

arxiv:2508.03020 v2 · 2025-08-05 · 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{KQXVRDENTSPAMEMZRDCZZQ2DF7}

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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

5 papers in Pith

Photon Spheres and shadow of modified black-hole entropies

Optical Appearance of the Kerr-Bertotti-Robinson Black Hole with a Magnetically Driven Synchrotron Emissivity Model

Photon Spheres and shadow of modified black-hole entropies

Reshaping the inner shadow of a Kerr black hole by a torn accretion disk

Receipt and verification

First computed	2026-07-05T11:50:39.668737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542f588c8d9c9e06119988c59cc3432fd6adbc9f2e8806c3cdb70bfce5af427d

Aliases

arxiv: 2508.03020 · arxiv_version: 2508.03020v2 · doi: 10.48550/arxiv.2508.03020 · pith_short_12: KQXVRDENTSPA · pith_short_16: KQXVRDENTSPAMEMZ · pith_short_8: KQXVRDEN

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/KQXVRDENTSPAMEMZRDCZZQ2DF7 \
  | 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: 542f588c8d9c9e06119988c59cc3432fd6adbc9f2e8806c3cdb70bfce5af427d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "466a8e74c652a915636c30e5b54a2a8e50172b3cbc9d6224fe9c1017570fac77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-08-05T02:59:56Z",
    "title_canon_sha256": "da6c2dd13e24bfc829700d4458eba71479d272990812f65d7a5a29b358e7bafc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.03020",
    "kind": "arxiv",
    "version": 2
  }
}