Pith Number

pith:CPZQQFZ4

pith:2014:CPZQQFZ44IUSQWNWP45GUXBSHF

not attested not anchored not stored refs pending

Testing the no-hair theorem with black hole ringdowns using TIGER

B.S. Sathyaprakash, C. Van Den Broeck, J. Meidam, J. Veitch, M. Agathos

arxiv:1406.3201 v2 · 2014-06-12 · 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{CPZQQFZ44IUSQWNWP45GUXBSHF}

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

4 papers in Pith

Science with the Einstein Telescope: a comparison of different designs

Testing the no-hair theorem with GW150914

Black Hole Spectroscopy and Tests of General Relativity with GW250114

Beyond Three Terms: Continued Fractions for Rotating Black Holes in Modified Gravity

Receipt and verification

First computed	2026-05-18T01:42:58.045742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f308173ce2292859b67f3a6a5c32396fa0368283daf993cb438a707a981f2e

Aliases

arxiv: 1406.3201 · arxiv_version: 1406.3201v2 · doi: 10.48550/arxiv.1406.3201 · pith_short_12: CPZQQFZ44IUS · pith_short_16: CPZQQFZ44IUSQWNW · pith_short_8: CPZQQFZ4

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/CPZQQFZ44IUSQWNWP45GUXBSHF \
  | 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: 13f308173ce2292859b67f3a6a5c32396fa0368283daf993cb438a707a981f2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffc1624ec16d8fb5e29e64231ba4560768e1b432114f726d067f6a166e4d8f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-12T11:47:26Z",
    "title_canon_sha256": "450b309d60d570762fee2b3d875d97d322af0af9fbdbf2e33272a38533a2561d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3201",
    "kind": "arxiv",
    "version": 2
  }
}