Pith Number

pith:SRSQXZHA

pith:2008:SRSQXZHAURHWCF67GCFIQRVYH4

not attested not anchored not stored refs pending

Optimized Schwarz preconditioning for SEM based magnetohydrodynamics

Amik St-Cyr, Duane Rosenberg, Sang Dong Kim

arxiv:0805.0025 v1 · 2008-04-30 · 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{SRSQXZHAURHWCF67GCFIQRVYH4}

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	2026-06-03T22:06:05.906690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94650be4e0a44f6117df308a8846b83f0d5cac7dea711d1ddd7c0c6074cdbcab

Aliases

arxiv: 0805.0025 · arxiv_version: 0805.0025v1 · doi: 10.48550/arxiv.0805.0025 · pith_short_12: SRSQXZHAURHW · pith_short_16: SRSQXZHAURHWCF67 · pith_short_8: SRSQXZHA

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/SRSQXZHAURHWCF67GCFIQRVYH4 \
  | 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: 94650be4e0a44f6117df308a8846b83f0d5cac7dea711d1ddd7c0c6074cdbcab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3314987cc9955337c7db4521cd4813a5df8ba9853975448884d00817221e9202",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-04-30T23:13:01Z",
    "title_canon_sha256": "f9656915ccdfcede4ef73a1879c65f6b1aca28f90861e37917d5319aa3be2777"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.0025",
    "kind": "arxiv",
    "version": 1
  }
}