Pith Number

pith:M75DWZI6

pith:2025:M75DWZI6UE7NMKK37ZE4Y6IXOO

not attested not anchored not stored refs pending

Nonlinearities in Kerr Black Hole Ringdown from the Penrose Limit

A. Kehagias, A. Riotto, D. Perrone

arxiv:2507.01919 v1 · 2025-07-02 · gr-qc · astro-ph.CO · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M75DWZI6UE7NMKK37ZE4Y6IXOO}

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

2 papers in Pith

Black Hole Photon Rings Saturate the Quantum Chaos Bound

Gravitational electric-magnetic duality at the light ring and quasinormal mode isospectrality in effective field theories

Receipt and verification

First computed	2026-07-05T11:30:58.187166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fa3b651ea13ed6295bfe49cc791773af088afd100c08c1c16b4ea7930239fe

Aliases

arxiv: 2507.01919 · arxiv_version: 2507.01919v1 · doi: 10.48550/arxiv.2507.01919 · pith_short_12: M75DWZI6UE7N · pith_short_16: M75DWZI6UE7NMKK3 · pith_short_8: M75DWZI6

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/M75DWZI6UE7NMKK37ZE4Y6IXOO \
  | 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: 67fa3b651ea13ed6295bfe49cc791773af088afd100c08c1c16b4ea7930239fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "012bafa1c83d32172c49d0e34aff0ecd9e9fee4d22060603089852a18134eee7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-07-02T17:28:03Z",
    "title_canon_sha256": "9bdc3ff295ac5b4ae7bef249c3e138e799b0055f5b8949d0f21acfee8ae0a308"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01919",
    "kind": "arxiv",
    "version": 1
  }
}