Pith Number

pith:CC2GQAVQ

pith:2019:CC2GQAVQ5HR4KVY5WU4NE5WNKQ

not attested not anchored not stored refs resolved

Testing the no-hair theorem with GW150914

Mark A. Scheel, Matthew Giesler, Maximiliano Isi, Saul A. Teukolsky, Will M. Farr

Ringdown data from GW150914 measures the remnant mass and spin in agreement with a Kerr black hole.

arxiv:1905.00869 v2 · 2019-05-02 · gr-qc · astro-ph.HE

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\usepackage{pith}
\pithnumber{CC2GQAVQ5HR4KVY5WU4NE5WNKQ}

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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.

Claims

C1strongest claim

Agreement between the postinspiral measurements of mass and spin and those using the full waveform supports the hypothesis that the GW150914 merger produced a Kerr black hole, as predicted by general relativity, and provides a test of the no-hair theorem at the ∼10% level.

C2weakest assumption

The assumption that data starting exactly at the signal peak is uncontaminated ringdown and that the quasinormal-mode model with overtones fully describes the observed waveform without additional degrees of freedom or systematic errors.

C3one line summary

Ringdown analysis of GW150914 with overtones measures remnant mass and spin consistent with a Kerr black hole, supporting the no-hair theorem at the 10% level.

References

66 extracted · 66 resolved · 38 Pith anchors

[1] C. V. Vishveshwara, Phys. Rev. D 1, 2870 (1970) 1970

[2] W. H. Press, Astrophys. J. 170, L105 (1971) 1971

[3] S. A. Teukolsky, Astrophys. J. 185, 635 (1973) 1973

[4] S. Chandrasekhar and S. Detweiler, Proc. R. Soc. A 344, 441 (1975) 1975

[5] F. Echeverria, Phys. Rev. D40, 3194 (1989) 1989

Formal links

2 machine-checked theorem links

Cited by

29 papers in Pith

Greybody factors, reflectionless scattering modes, and echoes of ultracompact horizonless objects

A practical Bayesian method for gravitational-wave ringdown analysis with multiple modes

Can Oscillatory and Persistent Nonlinearities Be Bridged in Black Hole Ringdown?

Quasinormal Modes of Extremal Reissner-Nordstrom Black Holes via Seiberg-Witten Quantization

Detectability of avoided crossings in black hole ringdowns

Receipt and verification

First computed	2026-05-17T23:38:46.794475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10b46802b0e9e3c5571db538d276cd5419af861786a42209767c903e9aefc986

Aliases

arxiv: 1905.00869 · arxiv_version: 1905.00869v2 · doi: 10.48550/arxiv.1905.00869 · pith_short_12: CC2GQAVQ5HR4 · pith_short_16: CC2GQAVQ5HR4KVY5 · pith_short_8: CC2GQAVQ

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/CC2GQAVQ5HR4KVY5WU4NE5WNKQ \
  | 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: 10b46802b0e9e3c5571db538d276cd5419af861786a42209767c903e9aefc986

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39fbadd4272c329e1305635ebd096074dd13139268046d77c2b7080fadbbcb79",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-05-02T17:35:14Z",
    "title_canon_sha256": "af6db0dd76fdb163498016a63b34d10e03e29208afd48ca675cfce9e5b468046"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00869",
    "kind": "arxiv",
    "version": 2
  }
}