Pith Number

pith:4TTHQNKB

pith:2001:4TTHQNKBOKGDYVEWWILIZWL7KO

not attested not anchored not stored refs pending

Regular Sources of the Kerr-Schild class for Rotating and Nonrotating Black Hole Solutions

Alexander Burinskii, Emilio Elizalde, Giulio Magli, Sergi R. Hildebrandt

arxiv:gr-qc/0109085 v2 · 2001-09-25 · gr-qc · astro-ph · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4TTHQNKBOKGDYVEWWILIZWL7KO}

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.

Receipt and verification

First computed	2026-05-18T04:35:35.124900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e6783541728c3c5496b2168cd97f53886d3c7bb427a43118b9aed6eac9a2b3

Aliases

arxiv: gr-qc/0109085 · arxiv_version: gr-qc/0109085v2 · doi: 10.48550/arxiv.gr-qc/0109085 · pith_short_12: 4TTHQNKBOKGD · pith_short_16: 4TTHQNKBOKGDYVEW · pith_short_8: 4TTHQNKB

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/4TTHQNKBOKGDYVEWWILIZWL7KO \
  | 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: e4e6783541728c3c5496b2168cd97f53886d3c7bb427a43118b9aed6eac9a2b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68689803f4656735ab0deabc93cb7f3abdf1508007b63b6df0b2ded67ae25676",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-09-25T16:40:49Z",
    "title_canon_sha256": "146e6e3d932bb7a4ff6786b093b19c04853e35b532e7efad3989d1ef3b314830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0109085",
    "kind": "arxiv",
    "version": 2
  }
}