Pith Number

pith:KFYR626Q

pith:2024:KFYR626QPZ4YS2EGKJCQ7JAHAS

not attested not anchored not stored refs pending

Learning from Linear Algebra: A Graph Neural Network Approach to Preconditioner Design for Conjugate Gradient Solvers

Alexander Rudikov, Ekaterina Muravleva, Ivan Oseledets, Oleg Iliev, Vladislav Trifonov, Yuri M. Laevsky

arxiv:2405.15557 v3 · 2024-05-24 · cs.LG · cs.NA · math.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{KFYR626QPZ4YS2EGKJCQ7JAHAS}

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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

Factored Sparse Approximate Inverse Preconditioning via Spectral Optimization

Receipt and verification

First computed	2026-07-05T10:08:17.142903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51711f6bd07e7989688652450fa40704b6ae314e51c3bce3f78f184bfad7bca1

Aliases

arxiv: 2405.15557 · arxiv_version: 2405.15557v3 · doi: 10.48550/arxiv.2405.15557 · pith_short_12: KFYR626QPZ4Y · pith_short_16: KFYR626QPZ4YS2EG · pith_short_8: KFYR626Q

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/KFYR626QPZ4YS2EGKJCQ7JAHAS \
  | 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: 51711f6bd07e7989688652450fa40704b6ae314e51c3bce3f78f184bfad7bca1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6c886f99ceedf24d91f16b818b757344f2448f8a518148fe2bef6240f52c14c",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-05-24T13:44:30Z",
    "title_canon_sha256": "5f14265fd7751b6e60aea5b049c90209ca50b1679bf1ec458994b6700067398b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.15557",
    "kind": "arxiv",
    "version": 3
  }
}