Pith Number

pith:SYFJG5JL

pith:2026:SYFJG5JLCSGEHQBCQPCHXU72ZO

not attested not anchored not stored refs pending

Four-Level Overlapping Schwarz as Multigrid Coarse Solver for Incompressible Non-Newtonian Flow in Complex Geometries

Oliver Rheinbach, Stephan K\"ohler

arxiv:2606.01433 v1 · 2026-05-31 · 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{SYFJG5JLCSGEHQBCQPCHXU72ZO}

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	2026-06-02T02:04:33.034870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

960a93752b148c43c02283c47bd3facb96e14076044d97cfed107c7d5845c032

Aliases

arxiv: 2606.01433 · arxiv_version: 2606.01433v1 · doi: 10.48550/arxiv.2606.01433 · pith_short_12: SYFJG5JLCSGE · pith_short_16: SYFJG5JLCSGEHQBC · pith_short_8: SYFJG5JL

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/SYFJG5JLCSGEHQBCQPCHXU72ZO \
  | 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: 960a93752b148c43c02283c47bd3facb96e14076044d97cfed107c7d5845c032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "271f6be02b84dde17a9317554781ccb4f704e2407683775af676bc0ef5d0d020",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-31T20:09:29Z",
    "title_canon_sha256": "3b6751680bb39cd950d633150208ece72491a271c3afa6bdbea1c0528598e483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01433",
    "kind": "arxiv",
    "version": 1
  }
}