Pith Number

pith:663GKMHN

pith:2019:663GKMHN2QCZ6GLBDW6UDI5XSH

not attested not anchored not stored refs pending

Parametrized ringdown spin expansion coefficients: a data-analysis framework for black-hole spectroscopy with multiple events

Andrea Maselli, Emanuele Berti, Leonardo Gualtieri, Paolo Pani

arxiv:1910.12893 v2 · 2019-10-28 · 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{663GKMHN2QCZ6GLBDW6UDI5XSH}

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

5 papers in Pith

Extended parameterized spin expansion formalism for ringdown analysis with GW250114

Science with the Einstein Telescope: a comparison of different designs

Science Case for the Einstein Telescope

Black Hole Spectroscopy and Tests of General Relativity with GW250114

Tests of General Relativity with GWTC-3

Receipt and verification

First computed	2026-07-05T00:35:20.048799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7b66530edd4059f19611dbd41a3b791f9f069aafede813ab60919d4c8ef9552

Aliases

arxiv: 1910.12893 · arxiv_version: 1910.12893v2 · doi: 10.48550/arxiv.1910.12893 · pith_short_12: 663GKMHN2QCZ · pith_short_16: 663GKMHN2QCZ6GLB · pith_short_8: 663GKMHN

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/663GKMHN2QCZ6GLBDW6UDI5XSH \
  | 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: f7b66530edd4059f19611dbd41a3b791f9f069aafede813ab60919d4c8ef9552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3440c24aaeccc2561aeda28eb4486fd6ff8a9db1a7bd361713b112729848936a",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-10-28T18:02:12Z",
    "title_canon_sha256": "d60636dbd3ef240aa622a7ea216ae5a20e24f499a7f2a93fddc526c5d69909cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12893",
    "kind": "arxiv",
    "version": 2
  }
}