Pith Number

pith:5ISJ3QUD

pith:2024:5ISJ3QUDLGOIG6L6IIZRSQMZN2

not attested not anchored not stored refs pending

Symbol-based multilevel block $\tau$ preconditioners for multilevel block Toeplitz systems: GLT-based analysis and applications

Congcong Li, Rolf Krause, Rosita L. Sormani, Sean Y. Hon, Stefano Serra-Capizzano

arxiv:2409.20363 v1 · 2024-09-30 · 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{5ISJ3QUDLGOIG6L6IIZRSQMZN2}

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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

An optimal preconditioner for high-order scheme arising from multi-dimensional Riesz space fractional diffusion equations with variable coefficients

Receipt and verification

First computed	2026-07-05T09:13:42.318691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea249dc283599c83797e42331941996ebd9871bee5238d3c7e261e740594875c

Aliases

arxiv: 2409.20363 · arxiv_version: 2409.20363v1 · doi: 10.48550/arxiv.2409.20363 · pith_short_12: 5ISJ3QUDLGOI · pith_short_16: 5ISJ3QUDLGOIG6L6 · pith_short_8: 5ISJ3QUD

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/5ISJ3QUDLGOIG6L6IIZRSQMZN2 \
  | 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: ea249dc283599c83797e42331941996ebd9871bee5238d3c7e261e740594875c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d89ba5cc7c6762a6885b1e3be96ad0bd2072c8fd64f6d1414802c2f30149040",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-09-30T15:01:58Z",
    "title_canon_sha256": "cb986ab224752bad59e2ca9eb56a61ee5e968f206e01858c6b944ed6c6a31fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.20363",
    "kind": "arxiv",
    "version": 1
  }
}