Pith Number

pith:UKZKQCY2

pith:2025:UKZKQCY2JIVXNSS6FEXG5HR43O

not attested not anchored not stored refs pending

Quasinormal Modes of Black Holes: Efficient and Highly Accurate Calculations with Recurrence-Based Methods

Jerzy Matyjasek, Kristian Benda

arxiv:2503.17325 v1 · 2025-03-21 · gr-qc · 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{UKZKQCY2JIVXNSS6FEXG5HR43O}

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	2026-07-05T10:37:03.741648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2b2a80b1a4a2b76ca5e292e6e9e3cdb9f0991a9568532b444ae350d17481cdf

Aliases

arxiv: 2503.17325 · arxiv_version: 2503.17325v1 · doi: 10.48550/arxiv.2503.17325 · pith_short_12: UKZKQCY2JIVX · pith_short_16: UKZKQCY2JIVXNSS6 · pith_short_8: UKZKQCY2

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/UKZKQCY2JIVXNSS6FEXG5HR43O \
  | 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: a2b2a80b1a4a2b76ca5e292e6e9e3cdb9f0991a9568532b444ae350d17481cdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b09d7e25b493cd3e49f13e7df2501022ac07a4a31b9b0b3a1ada7eb643dfd80",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-03-21T17:20:27Z",
    "title_canon_sha256": "1202d95604dfec67b287ea671b31c5207ef86e0765b0ccd82ee8a340d1d91fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.17325",
    "kind": "arxiv",
    "version": 1
  }
}