Pith Number

pith:QONA3XYH

pith:2025:QONA3XYHMW2K4WUXEQ57VSTIHJ

not attested not anchored not stored refs pending

Efficient multigrid solvers for mixed-degree local discontinuous Galerkin multiphase Stokes problems

Robert I. Saye

arxiv:2506.09933 v1 · 2025-06-11 · 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{QONA3XYHMW2K4WUXEQ57VSTIHJ}

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.

Cited by

1 paper in Pith

Cascading Smoothers for Multigrid

Receipt and verification

First computed	2026-06-26T00:15:22.172502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

839a0ddf0765b4ae5a97243bfaca683a7431db69bbd42510f6e1689b7aa341b0

Aliases

arxiv: 2506.09933 · arxiv_version: 2506.09933v1 · doi: 10.48550/arxiv.2506.09933 · pith_short_12: QONA3XYHMW2K · pith_short_16: QONA3XYHMW2K4WUX · pith_short_8: QONA3XYH

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/QONA3XYHMW2K4WUXEQ57VSTIHJ \
  | 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: 839a0ddf0765b4ae5a97243bfaca683a7431db69bbd42510f6e1689b7aa341b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c68ddd3b0539e73f7e43c49c3bb694034a521947709b2587b65f46ebbfd97f0b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-11T16:55:03Z",
    "title_canon_sha256": "7d073f4923332747b9fa4a8e12ce52616c4e82cd4b583be374d2395127592725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.09933",
    "kind": "arxiv",
    "version": 1
  }
}