Pith Number

pith:EHWDNE6D

pith:2019:EHWDNE6DT2WT4YBFM6DTUDVAF4

not attested not anchored not stored refs pending

Learning about black hole binaries from their ringdown spectra

Anuj Apte, Gaurav Khanna, Halston Lim, Scott A. Hughes

arxiv:1901.05900 v2 · 2019-01-17 · 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{EHWDNE6DT2WT4YBFM6DTUDVAF4}

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

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

Dynamical quasinormal mode excitation II: propagation and convergence in Schwarzschild

Distinguishing Neutron Star vs. Low-Mass Black Hole Binaries with Late Inspiral & Postmerger Gravitational Waves $-$ Sensitivity to Transmuted Black Holes and Non-Annihilating Dark Matter

Receipt and verification

First computed	2026-07-05T00:19:19.198610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ec3693c39ead3e602567873a0ea02f1aa836384de23c121644ab8731024f90

Aliases

arxiv: 1901.05900 · arxiv_version: 1901.05900v2 · doi: 10.48550/arxiv.1901.05900 · pith_short_12: EHWDNE6DT2WT · pith_short_16: EHWDNE6DT2WT4YBF · pith_short_8: EHWDNE6D

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/EHWDNE6DT2WT4YBFM6DTUDVAF4 \
  | 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: 21ec3693c39ead3e602567873a0ea02f1aa836384de23c121644ab8731024f90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ce7ba8f003c659cb9052bbf88f50ecfe70cfa4394ed6fabcf0ad6171b78bfba",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-17T17:04:06Z",
    "title_canon_sha256": "1c952aafff88575609347a9b4a379ec3744b3eb8de018c4efed963a005d44de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05900",
    "kind": "arxiv",
    "version": 2
  }
}