Pith Number

pith:J27JWZPZ

pith:2011:J27JWZPZPAEYVRX6HSNWTAQKQT

not attested not anchored not stored refs pending

Testing the Kerr black hole hypothesis

Cosimo Bambi

arxiv:1109.4256 v3 · 2011-09-20 · 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{J27JWZPZPAEYVRX6HSNWTAQKQT}

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

2 papers in Pith

Waveform Modelling for the Laser Interferometer Space Antenna

Twisted doughnuts: Thick disk torus around equatorial asymmetric black hole

Receipt and verification

First computed	2026-05-18T03:58:26.368138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ebe9b65f978098ac6fe3c9b69820a84e2ad737624bc7967223ecf7705e68c0d

Aliases

arxiv: 1109.4256 · arxiv_version: 1109.4256v3 · doi: 10.48550/arxiv.1109.4256 · pith_short_12: J27JWZPZPAEY · pith_short_16: J27JWZPZPAEYVRX6 · pith_short_8: J27JWZPZ

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/J27JWZPZPAEYVRX6HSNWTAQKQT \
  | 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: 4ebe9b65f978098ac6fe3c9b69820a84e2ad737624bc7967223ecf7705e68c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59cc193b2ee5bd8d29522dccbc0000c11c86badf6dd90f58eb1b0b712bf0b25b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-09-20T10:08:58Z",
    "title_canon_sha256": "249dc5c7258ff18e2c203acd7e76a8ab814d0c2681ade239af383a3ac0ccc777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4256",
    "kind": "arxiv",
    "version": 3
  }
}