Pith Number

pith:BEL3W4CR

pith:2025:BEL3W4CRMGOUQJ2OK6XNFA6NYC

not attested not anchored not stored refs pending

Optimized Schwarz method for the Stokes-Darcy problem with generalized interface conditions

Iryna Rybak, Marco Discacciati, Paula Strohbeck

arxiv:2504.01784 v1 · 2025-04-02 · 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{BEL3W4CRMGOUQJ2OK6XNFA6NYC}

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	2026-07-05T10:43:29.806150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0917bb7051619d48274e57aed283cdc0a85bf81616ffbfdc070617c70ac9f966

Aliases

arxiv: 2504.01784 · arxiv_version: 2504.01784v1 · doi: 10.48550/arxiv.2504.01784 · pith_short_12: BEL3W4CRMGOU · pith_short_16: BEL3W4CRMGOUQJ2O · pith_short_8: BEL3W4CR

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/BEL3W4CRMGOUQJ2OK6XNFA6NYC \
  | 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: 0917bb7051619d48274e57aed283cdc0a85bf81616ffbfdc070617c70ac9f966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7edfb6ccdebe71e0ebdc90f58eb56b93a86e744b763ef0c4600d6f36408d68",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-02T14:48:28Z",
    "title_canon_sha256": "4889cba2adeac8c265a9cd71a316b54eaafc709dd89c1d0dfc95e5f727067a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01784",
    "kind": "arxiv",
    "version": 1
  }
}