Pith Number

pith:D74H44RQ

pith:2000:D74H44RQFF5DAARYBTUTESG5KK

not attested not anchored not stored refs pending

Computing radiation from Kerr black holes: Generalization of the Sasaki-Nakamura equation

Scott A. Hughes

arxiv:gr-qc/0002043 v2 · 2000-02-11 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D74H44RQFF5DAARYBTUTESG5KK}

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

Properties of natural polynomials for Schwarzschild and Kerr black holes

Receipt and verification

First computed	2026-05-18T02:37:36.539898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ff87e7230297a3002380ce93248dd528914f43695a1c643facd1235f331a6f7

Aliases

arxiv: gr-qc/0002043 · arxiv_version: gr-qc/0002043v2 · doi: 10.48550/arxiv.gr-qc/0002043 · pith_short_12: D74H44RQFF5D · pith_short_16: D74H44RQFF5DAARY · pith_short_8: D74H44RQ

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/D74H44RQFF5DAARYBTUTESG5KK \
  | 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: 1ff87e7230297a3002380ce93248dd528914f43695a1c643facd1235f331a6f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daab6136ff785a77ea3141935c1f3eb28299b3b38ec8119b8c867563e169e7b1",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-02-11T22:22:38Z",
    "title_canon_sha256": "8e45d60424e3e4530e0df1c101f5a915444dba95a0902c6761d64a6d3b07e484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0002043",
    "kind": "arxiv",
    "version": 2
  }
}