Pith Number

pith:H3VN4FJI

pith:2026:H3VN4FJIW72DWA5XOH2KAC3ZCS

not attested not anchored not stored refs pending

Finite signal-to-noise ratio bias in parameter estimation for damped oscillations: cautionary remark about catalog-level black-hole spectroscopy

Koutarou Kyutoku

arxiv:2607.05486 v1 · 2026-07-06 · 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{H3VN4FJIW72DWA5XOH2KAC3ZCS}

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	2026-07-08T01:18:11.618386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3eeade1528b7f43b03b771f4a00b7914978acaf6f97a76d32aa636cbd683f596

Aliases

arxiv: 2607.05486 · arxiv_version: 2607.05486v1 · doi: 10.48550/arxiv.2607.05486 · pith_short_12: H3VN4FJIW72D · pith_short_16: H3VN4FJIW72DWA5X · pith_short_8: H3VN4FJI

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/H3VN4FJIW72DWA5XOH2KAC3ZCS \
  | 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: 3eeade1528b7f43b03b771f4a00b7914978acaf6f97a76d32aa636cbd683f596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e4473cffb5fd230a984b096f3a14d9576d2cb5535440b16f7e65803712b42a6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-06T18:00:00Z",
    "title_canon_sha256": "d1c00f690a1016f5236da501e225257d56d42e99e1a1874640e3fec5ba305a0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05486",
    "kind": "arxiv",
    "version": 1
  }
}