Pith Number

pith:LA5UPBQK

pith:2009:LA5UPBQKNWZWEDDL66RQEOE4WJ

not attested not anchored not stored refs pending

Black-hole quasinormal resonances: Wave analysis versus a geometric-optics approximation

Shahar Hod

arxiv:0909.0314 v1 · 2009-09-02 · 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{LA5UPBQKNWZWEDDL66RQEOE4WJ}

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

1 paper in Pith

Bounds on the minimum orbital periods of non-singular Hayward and Bardeen black holes

Receipt and verification

First computed	2026-07-04T17:24:02.154918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

583b47860a6db3620c6bf7a302389cb2779709b9e55a5ffe5d343b9b1e97576e

Aliases

arxiv: 0909.0314 · arxiv_version: 0909.0314v1 · doi: 10.48550/arxiv.0909.0314 · pith_short_12: LA5UPBQKNWZW · pith_short_16: LA5UPBQKNWZWEDDL · pith_short_8: LA5UPBQK

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/LA5UPBQKNWZWEDDL66RQEOE4WJ \
  | 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: 583b47860a6db3620c6bf7a302389cb2779709b9e55a5ffe5d343b9b1e97576e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46032eb5f07ce19a5a13500136368fabd8a29d5510db0685be60af162622188a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-09-02T04:30:33Z",
    "title_canon_sha256": "74c4bbcbbe5e619a79528cefc45861b7d49007e8c5ae3c2e57d633e3e9b8d653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0314",
    "kind": "arxiv",
    "version": 1
  }
}