Pith Number

pith:2TEZJM4A

pith:2026:2TEZJM4AGCXSDVI4QU6AOIL57T

not attested not anchored not stored refs pending

A Guided Tour of Modern Domain Decomposition: From Schwarz Iterations to Robust Preconditioners and HPC Implementations

Fr\'ed\'eric Nataf, Pierre-Henri Tournier, Pierre Jolivet, Victorita Dolean

arxiv:2605.24982 v1 · 2026-05-24 · math.NA · cs.NA · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TEZJM4AGCXSDVI4QU6AOIL57T}

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	2026-05-26T01:04:09.240992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c994b38030af21d51c853c07217dfceb5f0ce3712781d7ae76fdf43a5004d7

Aliases

arxiv: 2605.24982 · arxiv_version: 2605.24982v1 · doi: 10.48550/arxiv.2605.24982 · pith_short_12: 2TEZJM4AGCXS · pith_short_16: 2TEZJM4AGCXSDVI4 · pith_short_8: 2TEZJM4A

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/2TEZJM4AGCXSDVI4QU6AOIL57T \
  | 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: d4c994b38030af21d51c853c07217dfceb5f0ce3712781d7ae76fdf43a5004d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c865615d757bd0df4f8873e03c0fc72742ab4ec7a3bb0460f3ac2793f3177f",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-24T10:19:58Z",
    "title_canon_sha256": "e4a0869cc86b6577b355d458b6f32661b7981d1cd1faa708e1cc32a78f92f6da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24982",
    "kind": "arxiv",
    "version": 1
  }
}