Pith Number

pith:DOTM34WN

pith:2026:DOTM34WN7VD2UDZ3HRBZEC37S4

not attested not anchored not stored refs pending

Coarse space preconditioning for Generalized Optimized Schwarz Methods. Part I: continuous case

Xavier Claeys

arxiv:2608.08505 v1 · 2026-08-09 · 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{DOTM34WN7VD2UDZ3HRBZEC37S4}

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	2026-08-11T01:22:49.674336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba6cdf2cdfd47aa0f3b3c43920b7f97297b33adb520835e8c919df8f670ed4d

Aliases

arxiv: 2608.08505 · arxiv_version: 2608.08505v1 · doi: 10.48550/arxiv.2608.08505 · pith_short_12: DOTM34WN7VD2 · pith_short_16: DOTM34WN7VD2UDZ3 · pith_short_8: DOTM34WN

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/DOTM34WN7VD2UDZ3HRBZEC37S4 \
  | 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: 1ba6cdf2cdfd47aa0f3b3c43920b7f97297b33adb520835e8c919df8f670ed4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f98b80f6793ce8693f0691495ac88f2c9895ee1bf03a8857776e9a09da69cc0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-08-09T06:02:08Z",
    "title_canon_sha256": "ec7720cbd5631253eed7d8f7b98de7c077c23c4747835576b4bacb92d46190a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08505",
    "kind": "arxiv",
    "version": 1
  }
}