Pith Number

pith:FPKM2L4I

pith:2019:FPKM2L4I7DM3V4Z2YFC62D2KYB

not attested not anchored not stored refs pending

Hyperboloidal framework for the Kerr spacetime

Rodrigo Panosso Macedo

arxiv:1910.13452 v2 · 2019-10-29 · 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{FPKM2L4I7DM3V4Z2YFC62D2KYB}

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

Time-domain framework for the Teukolsky equation with a particle source using comoving hyperboloidal coordinates

The quasinormal modes of the rotating quantum corrected black holes

Radiation outer boundary conditions and near-to-far field signal transformations for the Bardeen-Press equation

Receipt and verification

First computed	2026-07-05T00:46:04.808959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bd4cd2f88f8d9baf33ac145ed0f4ac071fc38b969f0313a0d6949546d21a86b

Aliases

arxiv: 1910.13452 · arxiv_version: 1910.13452v2 · doi: 10.48550/arxiv.1910.13452 · pith_short_12: FPKM2L4I7DM3 · pith_short_16: FPKM2L4I7DM3V4Z2 · pith_short_8: FPKM2L4I

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/FPKM2L4I7DM3V4Z2YFC62D2KYB \
  | 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: 2bd4cd2f88f8d9baf33ac145ed0f4ac071fc38b969f0313a0d6949546d21a86b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f3375949924dd79362f368975f213eb31318db296f655167ae1b34ba1e56cfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-10-29T18:00:02Z",
    "title_canon_sha256": "4aede48c9e1ca896d2e06ba7491cb8d6c2809eccf450a174f05f8cdcb2a49317"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13452",
    "kind": "arxiv",
    "version": 2
  }
}