Pith Number

pith:K7D4KMFG

pith:2024:K7D4KMFGQPD6TB2K6264I7NVP4

not attested not anchored not stored refs pending

Parameter optimization for restarted mixed precision iterative sparse solver

Alexander V. Prolubnikov

arxiv:2412.08059 v7 · 2024-12-11 · 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{K7D4KMFGQPD6TB2K6264I7NVP4}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-06-12T01:10:19.653074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c7c530a683c7e9874af6bdc47db57f322ca7e99f9b7c97aefab955dd50dfc4

Aliases

arxiv: 2412.08059 · arxiv_version: 2412.08059v7 · doi: 10.48550/arxiv.2412.08059 · pith_short_12: K7D4KMFGQPD6 · pith_short_16: K7D4KMFGQPD6TB2K · pith_short_8: K7D4KMFG

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/K7D4KMFGQPD6TB2K6264I7NVP4 \
  | 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: 57c7c530a683c7e9874af6bdc47db57f322ca7e99f9b7c97aefab955dd50dfc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6df93ce011f6eaec171f539ed6728e8dc771f5607498cef5ac4c9c3a2159c5b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-12-11T03:02:58Z",
    "title_canon_sha256": "4844704049bfb89283751ab6fb3e1e2243f81b66bbd0f3c97a033ab8b8c22114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.08059",
    "kind": "arxiv",
    "version": 7
  }
}