Pith Number

pith:DKSUOGP2

pith:2007:DKSUOGP2AUS2FLCCZ5ZO4SPJTD

not attested not anchored not stored refs pending

Multiplicative, Additive and Restricted Additive Optimized Schwarz Preconditioning

Amik St-Cyr, Martin J. Gander, Stephen J. Thomas

arxiv:math/0702037 v2 · 2007-02-01 · 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{DKSUOGP2AUS2FLCCZ5ZO4SPJTD}

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	2026-06-08T19:05:16.766660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa54719fa0525a2ac42cf72ee49e998dd81681bda602ad83c30888e8cd7d676

Aliases

arxiv: math/0702037 · arxiv_version: math/0702037v2 · doi: 10.48550/arxiv.math/0702037 · pith_short_12: DKSUOGP2AUS2 · pith_short_16: DKSUOGP2AUS2FLCC · pith_short_8: DKSUOGP2

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/DKSUOGP2AUS2FLCCZ5ZO4SPJTD \
  | 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: 1aa54719fa0525a2ac42cf72ee49e998dd81681bda602ad83c30888e8cd7d676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0491c34a4fb1f92a23214feb065ed6da7df0e776e98c12b57b155352a94cbfdc",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "",
    "primary_cat": "math.NA",
    "submitted_at": "2007-02-01T23:31:05Z",
    "title_canon_sha256": "164eba521d815050091aff2ce2d9a4ac5df944ec0d312b02d1eebb210309e87d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702037",
    "kind": "arxiv",
    "version": 2
  }
}