Pith Number

pith:CDSKKNV6

pith:2025:CDSKKNV6NCIUZLVQQT7RCGPMTH

not attested not anchored not stored refs pending

Structure-preserving parametric finite element methods for two-phase Stokes flow based on Lagrange multiplier approaches

Dennis Trautwein, Ganghui Zhang, Harald Garcke

arxiv:2508.12326 v1 · 2025-08-17 · 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{CDSKKNV6NCIUZLVQQT7RCGPMTH}

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	2026-07-05T11:55:03.595822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e4a536be68914caeb084ff1119ec99e3179ef1c57ed165269755b1286fc0fa

Aliases

arxiv: 2508.12326 · arxiv_version: 2508.12326v1 · doi: 10.48550/arxiv.2508.12326 · pith_short_12: CDSKKNV6NCIU · pith_short_16: CDSKKNV6NCIUZLVQ · pith_short_8: CDSKKNV6

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/CDSKKNV6NCIUZLVQQT7RCGPMTH \
  | 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: 10e4a536be68914caeb084ff1119ec99e3179ef1c57ed165269755b1286fc0fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2f3d7cef76ebde8ea113395648f98aab51424cae5e87f9ae13977469a6b982",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-08-17T10:50:32Z",
    "title_canon_sha256": "f33ffad5dd1f28d226a3049ccd127f2cf151d321924edd166dec8607c190404c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12326",
    "kind": "arxiv",
    "version": 1
  }
}