Pith Number

pith:LJGQPP5U

pith:2025:LJGQPP5U2L64LI43FY6WIWGLGK

not attested not anchored not stored refs pending

LR-WaveHoltz: A Low-Rank Helmholtz Solver

Andreas Granath, Daniel Appel\"o, Siyang Wang

arxiv:2510.09352 v2 · 2025-10-10 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJGQPP5U2L64LI43FY6WIWGLGK}

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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

Low-Rank Acceleration of the Operator Fourier Transform

Receipt and verification

First computed	2026-07-08T01:19:07.457654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a4d07bfb4d2fdc5a39b2e3d6458cb32bbee6704c49f40d407bf44cd600ca49f

Aliases

arxiv: 2510.09352 · arxiv_version: 2510.09352v2 · doi: 10.48550/arxiv.2510.09352 · pith_short_12: LJGQPP5U2L64 · pith_short_16: LJGQPP5U2L64LI43 · pith_short_8: LJGQPP5U

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/LJGQPP5U2L64LI43FY6WIWGLGK \
  | 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: 5a4d07bfb4d2fdc5a39b2e3d6458cb32bbee6704c49f40d407bf44cd600ca49f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c204bd22b40cc2a2e00b55526c900870cacf9da700846f6550139557d78277e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-10-10T13:05:51Z",
    "title_canon_sha256": "c011a5882f136f1d1b7558eed653053146f6c2152a969b8a1397339d358af2ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.09352",
    "kind": "arxiv",
    "version": 2
  }
}