Pith Number

pith:LDTBQCKC

pith:2023:LDTBQCKC34SQPZLFGS4N3JJW45

not attested not anchored not stored refs pending

Quasi-normal modes of non-separable perturbation equations: the scalar non-Kerr case

Enrico Barausse, Nicola Franchini, Rajes Ghosh, Sebastian H. V\"olkel

arxiv:2303.00088 v2 · 2023-02-28 · 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{LDTBQCKC34SQPZLFGS4N3JJW45}

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	2026-07-05T06:55:52.387665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e6180942df2507e56534b8dda536e742f6d5b3c27dd97e68087d0912cef314

Aliases

arxiv: 2303.00088 · arxiv_version: 2303.00088v2 · doi: 10.48550/arxiv.2303.00088 · pith_short_12: LDTBQCKC34SQ · pith_short_16: LDTBQCKC34SQPZLF · pith_short_8: LDTBQCKC

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/LDTBQCKC34SQPZLFGS4N3JJW45 \
  | 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: 58e6180942df2507e56534b8dda536e742f6d5b3c27dd97e68087d0912cef314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceaf6e9bb909099c4d7104b1262c707a03c8592f003bc57403b6b79481ea7df6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-02-28T21:17:05Z",
    "title_canon_sha256": "335faf43e6840a7ca2873431ce5456f8f24f222a81526ede70b2e5e6bb2290cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.00088",
    "kind": "arxiv",
    "version": 2
  }
}