Pith Number

pith:QZE5GMOW

pith:2019:QZE5GMOWBEEVTPSNUSFSWBGDHS

not attested not anchored not stored refs pending

Ringdown overtones, black hole spectroscopy, and no-hair theorem tests

Paolo Pani, Swetha Bhagwat, Valeria Ferrari, Xisco Jimenez Forteza

arxiv:1910.08708 v2 · 2019-10-19 · 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{QZE5GMOWBEEVTPSNUSFSWBGDHS}

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

11 papers in Pith

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

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

Excitation factors for horizonless compact objects: long-lived modes, echoes, and greybody factors

Probing higher curvature gravity via ringdown with overtones

Science Case for the Einstein Telescope

Receipt and verification

First computed	2026-07-05T00:41:43.655487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8649d331d6090959be4da48b2b04c33c8229403f0098aca8ee95590fa79c233e

Aliases

arxiv: 1910.08708 · arxiv_version: 1910.08708v2 · doi: 10.48550/arxiv.1910.08708 · pith_short_12: QZE5GMOWBEEV · pith_short_16: QZE5GMOWBEEVTPSN · pith_short_8: QZE5GMOW

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/QZE5GMOWBEEVTPSNUSFSWBGDHS \
  | 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: 8649d331d6090959be4da48b2b04c33c8229403f0098aca8ee95590fa79c233e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b59aa05abd7a2a2a0acd797ce6f2ac37cf97fd208fc81c8802c8a769e15e5c",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-10-19T06:01:56Z",
    "title_canon_sha256": "43bb1b11a593593beb028e9105cdbd2d31f6eeec5c7af38b4419eff6bfcdc4f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08708",
    "kind": "arxiv",
    "version": 2
  }
}