Pith Number

pith:2U2YMLVC

pith:2025:2U2YMLVCWK55YCE7FCMNG3AHVZ

not attested not anchored not stored refs pending

Projection-based stabilization for high-order incompressible flow solvers

Antonio Blanco-Casares, Daniel Mira, Oriol Lehmkuhl, Vishal Kumar

arxiv:2509.04352 v1 · 2025-09-04 · 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{2U2YMLVCWK55YCE7FCMNG3AHVZ}

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	2026-07-05T12:04:57.875097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d535862ea2b2bbdc089f2898d36c07ae5f0522a28243c1d6bb1a7f714b325e96

Aliases

arxiv: 2509.04352 · arxiv_version: 2509.04352v1 · doi: 10.48550/arxiv.2509.04352 · pith_short_12: 2U2YMLVCWK55 · pith_short_16: 2U2YMLVCWK55YCE7 · pith_short_8: 2U2YMLVC

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/2U2YMLVCWK55YCE7FCMNG3AHVZ \
  | 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: d535862ea2b2bbdc089f2898d36c07ae5f0522a28243c1d6bb1a7f714b325e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a27bf85942702f814e9c290dfc12072f7c34059d17bff847c6d367ca58b55cc1",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-09-04T16:12:17Z",
    "title_canon_sha256": "38f21f13307a6ee6c10fb89c8b9c19c1c097700752d3a5f8e379dc5b13a647b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.04352",
    "kind": "arxiv",
    "version": 1
  }
}