Pith Number

pith:TNT3ZLH7

pith:2025:TNT3ZLH7V5Q6WRM63M5ATGYMWV

not attested not anchored not stored refs pending

A robust matrix-free approach for large-scale non-isothermal high-contrast viscosity Stokes flow on blended domains with applications to geophysics

Andreas Burkhart, Barbara Wohlmuth, Jan Zawallich, Nils Kohl

arxiv:2506.04157 v1 · 2025-06-04 · math.NA · cs.NA

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\usepackage{pith}
\pithnumber{TNT3ZLH7V5Q6WRM63M5ATGYMWV}

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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.

Cited by

1 paper in Pith

Spectral analysis of the stiffness matrix sequence in the approximated Stokes equation

Receipt and verification

First computed	2026-07-05T11:15:58.138439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b67bcacffaf61eb459edb3a099b0cb555f044609e3962e7cd5772ede740a6b2

Aliases

arxiv: 2506.04157 · arxiv_version: 2506.04157v1 · doi: 10.48550/arxiv.2506.04157 · pith_short_12: TNT3ZLH7V5Q6 · pith_short_16: TNT3ZLH7V5Q6WRM6 · pith_short_8: TNT3ZLH7

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/TNT3ZLH7V5Q6WRM63M5ATGYMWV \
  | 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: 9b67bcacffaf61eb459edb3a099b0cb555f044609e3962e7cd5772ede740a6b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "465f8e03c0823d3258ba91290fb1dfa68aefa8bf85fdb835fea72b6873317a17",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-04T16:56:06Z",
    "title_canon_sha256": "47b9554f37fb793b56e68025c0f9603bec11150bf8f58b722184d88e44fed0bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04157",
    "kind": "arxiv",
    "version": 1
  }
}