Pith Number

pith:LGCADI7L

pith:2025:LGCADI7LIPD2RHY52X4TGAT4J3

not attested not anchored not stored refs pending

Leveraging Operator Learning to Accelerate Convergence of the Preconditioned Conjugate Gradient Method

Alena Kopani\v{c}\'akov\'a, George Em Karniadakis, Youngkyu Lee

arxiv:2508.00101 v1 · 2025-07-31 · math.NA · cs.LG · cs.NA · math.OC

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LGCADI7LIPD2RHY52X4TGAT4J3}

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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

2 papers in Pith

When can a neural operator replace a coarse solve? Architectural principles for two-level preconditioning

NOWS: Neural Operator Warm Starts for Accelerating Iterative Solvers

Receipt and verification

First computed	2026-07-05T11:46:48.898072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598401a3eb43c7a89f1dd5f933027c4efdaa8e214845d9bab0fac316feec5b73

Aliases

arxiv: 2508.00101 · arxiv_version: 2508.00101v1 · doi: 10.48550/arxiv.2508.00101 · pith_short_12: LGCADI7LIPD2 · pith_short_16: LGCADI7LIPD2RHY5 · pith_short_8: LGCADI7L

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/LGCADI7LIPD2RHY52X4TGAT4J3 \
  | 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: 598401a3eb43c7a89f1dd5f933027c4efdaa8e214845d9bab0fac316feec5b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a2862630024d31e00b5a64161130632bc4db5c3780831330104ab592b288964",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-31T18:53:23Z",
    "title_canon_sha256": "393492cda7966f7eab25f6c32c725f576e44ec16090905f12905de614e7ad13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00101",
    "kind": "arxiv",
    "version": 1
  }
}