Pith Number

pith:2INVOHUC

pith:2024:2INVOHUCHWDEDI4OXQSAY3LKN3

not attested not anchored not stored refs pending

A Hybrid Iterative Neural Solver Based on Spectral Analysis for Parametric PDEs

Chen Cui, Kai Jiang, Shi Shu, Yun Liu

arxiv:2408.08540 v3 · 2024-08-16 · 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{2INVOHUCHWDEDI4OXQSAY3LKN3}

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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

Momentum-Accelerated Richardson(m) and Their Multilevel Neural Solvers

Receipt and verification

First computed	2026-07-05T11:16:50.376087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d21b571e823d8641a38ebc240c6d6a6eca2ae6274af810650bc491675a5c962d

Aliases

arxiv: 2408.08540 · arxiv_version: 2408.08540v3 · doi: 10.48550/arxiv.2408.08540 · pith_short_12: 2INVOHUCHWDE · pith_short_16: 2INVOHUCHWDEDI4O · pith_short_8: 2INVOHUC

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/2INVOHUCHWDEDI4OXQSAY3LKN3 \
  | 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: d21b571e823d8641a38ebc240c6d6a6eca2ae6274af810650bc491675a5c962d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cdf8145ea8913805b92c6210d9f170aee2977fbdf04b8dd8820482bf614be21",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-08-16T05:52:29Z",
    "title_canon_sha256": "952324614f4f7dc4c791ec6abc240298fc4bf154b974d38a8f8ac859128c813f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.08540",
    "kind": "arxiv",
    "version": 3
  }
}