Pith Number

pith:MUFA7TAQ

pith:2021:MUFA7TAQ2ZC6MP4GAC2HKUJTYN

not attested not anchored not stored refs pending

The eye of the storm: A regular Kerr black hole

Alex Simpson, Matt Visser

arxiv:2111.12329 v2 · 2021-11-24 · 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{MUFA7TAQ2ZC6MP4GAC2HKUJTYN}

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

3 papers in Pith

$\tt BlackHawk$ $\tt v3.0$: Hawking Radiation from Regular Black Holes

Families of regular spacetimes and energy conditions

Receipt and verification

First computed	2026-07-05T04:03:57.473787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

650a0fcc10d645e63f8600b4755133c36acfbb567a6587f81619f71ebfe893be

Aliases

arxiv: 2111.12329 · arxiv_version: 2111.12329v2 · doi: 10.48550/arxiv.2111.12329 · pith_short_12: MUFA7TAQ2ZC6 · pith_short_16: MUFA7TAQ2ZC6MP4G · pith_short_8: MUFA7TAQ

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/MUFA7TAQ2ZC6MP4GAC2HKUJTYN \
  | 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: 650a0fcc10d645e63f8600b4755133c36acfbb567a6587f81619f71ebfe893be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5adeb04c74c18462de537d2603af87d188c0d93ccf1a766688bcc06e8fb321",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-24T08:23:10Z",
    "title_canon_sha256": "cff76f375dc5af0c85b6fdaf0e257415a059b143f5a4554007db5f4075577829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12329",
    "kind": "arxiv",
    "version": 2
  }
}