Pith Number

pith:TCRWY7MX

pith:2026:TCRWY7MXRCXQX646E7Z5FNOM6Y

not attested not anchored not stored refs pending

Precision Ringdown Measurements of Binary Black Hole Remnants

Achal Kumar, Marek J. Szczepa\'nczyk, Poulami Dutta Roy, Sergey Klimenko

arxiv:2607.13275 v1 · 2026-07-14 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCRWY7MXRCXQX646E7Z5FNOM6Y}

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.

Receipt and verification

First computed	2026-07-16T00:22:07.015512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98a36c7d9788af0bfb9e27f3d2b5ccf63972672caeb4f0533fe0cdbefe84cbdd

Aliases

arxiv: 2607.13275 · arxiv_version: 2607.13275v1 · doi: 10.48550/arxiv.2607.13275 · pith_short_12: TCRWY7MXRCXQ · pith_short_16: TCRWY7MXRCXQX646 · pith_short_8: TCRWY7MX

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/TCRWY7MXRCXQX646E7Z5FNOM6Y \
  | 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: 98a36c7d9788af0bfb9e27f3d2b5ccf63972672caeb4f0533fe0cdbefe84cbdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c34bd32ac057d0aa0c029e2dc8d76b7dc3162e6dcc99cbe7a0562acb0b3b848f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-14T21:21:19Z",
    "title_canon_sha256": "7873ce6dc6d1c0c73b9c4dcf96b93739bb54a2f6bceb07ef0f55743d359dd298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13275",
    "kind": "arxiv",
    "version": 1
  }
}