Pith Number

pith:R2AULPM7

pith:2020:R2AULPM7B3CX4C6OWJB4O33WZI

not attested not anchored not stored refs pending

A toy model of hyperboloidal approach to quasinormal modes

Patryk Mach, Piotr Bizo\'n, Tadeusz Chmaj

arxiv:2002.01770 v1 · 2020-02-05 · 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{R2AULPM7B3CX4C6OWJB4O33WZI}

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

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

Receipt and verification

First computed	2026-07-05T01:12:36.451616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e8145bd9f0ec57e0bceb243c76f76ca007f8963539ea3d07e3b1e364a8b79e5

Aliases

arxiv: 2002.01770 · arxiv_version: 2002.01770v1 · doi: 10.48550/arxiv.2002.01770 · pith_short_12: R2AULPM7B3CX · pith_short_16: R2AULPM7B3CX4C6O · pith_short_8: R2AULPM7

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/R2AULPM7B3CX4C6OWJB4O33WZI \
  | 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: 8e8145bd9f0ec57e0bceb243c76f76ca007f8963539ea3d07e3b1e364a8b79e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "243090301d25c949dfd5e878eb7d13321695363b8337fd1ca9b659ffa7fb9be9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-02-05T13:09:21Z",
    "title_canon_sha256": "be24a7033a4f83b65728ddf254822843c614ad9d63fee267dde1645299c46be5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01770",
    "kind": "arxiv",
    "version": 1
  }
}