Pith Number

pith:ACCEW2UB

pith:2020:ACCEW2UBCPQMBKPDQ6XPVNLJPN

not attested not anchored not stored refs pending

Bernstein spectral method for quasinormal modes and other eigenvalue problems

Ian Vega, Sean Fortuna

arxiv:2003.06232 v3 · 2020-03-13 · gr-qc · physics.comp-ph · quant-ph

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACCEW2UBCPQMBKPDQ6XPVNLJPN}

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

7 papers in Pith

Quasinormal modes of scalar perturbations in Rastall thick brane

Real Part Emergence in Purely Imaginary Quasinormal Modes in Perturbed de Sitter Braneworlds

Two-scalar-field $f(R)$ Thick Branes, Gravitational Resonances and Quasinormal Modes

Quasinormal modes and grey-body factors of axial gravitational perturbations of regular black holes in asymptotically safe gravity

Pseudospectrum and black hole quasi-normal mode (in)stability

Receipt and verification

First computed	2026-07-05T07:34:13.691715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00844b6a8113e0c0a9e387aefab5697b6e54f73bee469da5e1cee4041a46788a

Aliases

arxiv: 2003.06232 · arxiv_version: 2003.06232v3 · doi: 10.48550/arxiv.2003.06232 · pith_short_12: ACCEW2UBCPQM · pith_short_16: ACCEW2UBCPQMBKPD · pith_short_8: ACCEW2UB

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/ACCEW2UBCPQMBKPDQ6XPVNLJPN \
  | 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: 00844b6a8113e0c0a9e387aefab5697b6e54f73bee469da5e1cee4041a46788a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21918ee20c97953c49201c8d50b59c82a741e005885a5ca4546bf9df4c9db051",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-03-13T12:30:18Z",
    "title_canon_sha256": "0c349509cb883f69a415953a4cd2f0eec35e43c1ad37a856f9d3d1afa9605c7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06232",
    "kind": "arxiv",
    "version": 3
  }
}