Pith Number

pith:WLEZ3XOE

pith:2024:WLEZ3XOELWTAEI7ME6EWW2HASM

not attested not anchored not stored refs pending

Determining parameters of Kerr-Newman black holes by shadow observation from finite distance and spatial infinity

Kenta Hioki, Umpei Miyamoto

arxiv:2411.08486 v2 · 2024-11-13 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLEZ3XOELWTAEI7ME6EWW2HASM}

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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

1 paper in Pith

A note on methods for computing the critical curve of Kerr-like black holes

Receipt and verification

First computed	2026-07-05T11:21:38.114697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2c99dddc45da60223ec27896b68e0931c9c01cec8192c229f7e9ed6951e936c

Aliases

arxiv: 2411.08486 · arxiv_version: 2411.08486v2 · doi: 10.48550/arxiv.2411.08486 · pith_short_12: WLEZ3XOELWTA · pith_short_16: WLEZ3XOELWTAEI7M · pith_short_8: WLEZ3XOE

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/WLEZ3XOELWTAEI7ME6EWW2HASM \
  | 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: b2c99dddc45da60223ec27896b68e0931c9c01cec8192c229f7e9ed6951e936c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3db25f94744cfb526a8e86267fe4d8fe9060c2cc14fd5e1fbf2286647cb4b4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-11-13T10:07:28Z",
    "title_canon_sha256": "c0038b22c76710869167ba22745a24f0cd35d415eed580babc01038e08d6a5a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.08486",
    "kind": "arxiv",
    "version": 2
  }
}