Pith Number

pith:AXSJFB67

pith:2021:AXSJFB67Z4IWG4RW34OK6LJR3Q

not attested not anchored not stored refs pending

Analyzing black-hole ringdowns

Maximiliano Isi, Will M. Farr

arxiv:2107.05609 v2 · 2021-07-12 · 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{AXSJFB67Z4IWG4RW34OK6LJR3Q}

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

22 papers in Pith

Testing General Relativity with GWTC-4.0 through mixture models

Extended parameterized spin expansion formalism for ringdown analysis with GW250114

The WDM Time-Frequency Transform in Gravitational-Wave Data Analysis I: Formalism

A pre-merger-informed spectral-level ringdown inference framework for black-hole spectroscopy

Gravitational wave surrogate model for spinning, intermediate mass ratio binaries based on perturbation theory and numerical relativity

Receipt and verification

First computed	2026-07-05T02:57:56.218584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05e49287dfcf11637236df1caf2d31dc25ef2bf035a6063e125a1fae8f5eba97

Aliases

arxiv: 2107.05609 · arxiv_version: 2107.05609v2 · doi: 10.48550/arxiv.2107.05609 · pith_short_12: AXSJFB67Z4IW · pith_short_16: AXSJFB67Z4IWG4RW · pith_short_8: AXSJFB67

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/AXSJFB67Z4IWG4RW34OK6LJR3Q \
  | 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: 05e49287dfcf11637236df1caf2d31dc25ef2bf035a6063e125a1fae8f5eba97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2324d2552f1670312048920f2647e52c7f8158192b62ea77f96b050e2c44f436",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-12T17:45:56Z",
    "title_canon_sha256": "7f6d835fb3fbea56ff2262304af4c73fc3c638973300960832426844ed29ea3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05609",
    "kind": "arxiv",
    "version": 2
  }
}