Pith Number

pith:ZBAU7HMM

pith:2024:ZBAU7HMM6KQCZERZ6Z4MTPSLRY

not attested not anchored not stored refs pending

Generalized Optimal AMG Convergence Theory for Nonsymmetric and Indefinite Problems

Ahsan Ali, Ben S. Southworth, Jacob B. Schroder, James Brannick, Karsten Kahl, Oliver A. Krzysik

arxiv:2401.11146 v3 · 2024-01-20 · math.NA · cs.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBAU7HMM6KQCZERZ6Z4MTPSLRY}

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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

Nodal AMG Coarsening and Interpolation for PDE Systems

Receipt and verification

First computed	2026-07-05T09:59:43.460178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8414f9d8cf2a02c9239f678c9be4b8e376fb27057670932fa3729386a849478

Aliases

arxiv: 2401.11146 · arxiv_version: 2401.11146v3 · doi: 10.48550/arxiv.2401.11146 · pith_short_12: ZBAU7HMM6KQC · pith_short_16: ZBAU7HMM6KQCZERZ · pith_short_8: ZBAU7HMM

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/ZBAU7HMM6KQCZERZ6Z4MTPSLRY \
  | 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: c8414f9d8cf2a02c9239f678c9be4b8e376fb27057670932fa3729386a849478

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "202dfc414d6e35a35b2e4f3c2a381252b4a82944a70c83d5f7c4391ca7b89f76",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-01-20T06:53:25Z",
    "title_canon_sha256": "228dd5dd05417ef53fe414149da3c871490646a98f0267e2a776aad341f3aa24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.11146",
    "kind": "arxiv",
    "version": 3
  }
}