Pith Number

pith:GWBIPDRJ

pith:2024:GWBIPDRJVXFSBRMNTHGNQHTPZQ

not attested not anchored not stored refs pending

Local Divergence-Free Immersed Finite Element-Difference Method Using Composite B-Splines

Boyce E. Griffith, Cole Gruninger, Jae H. Lee, Lianxia Li

arxiv:2412.15408 v1 · 2024-12-19 · math.NA · cs.NA · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GWBIPDRJVXFSBRMNTHGNQHTPZQ}

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	2026-07-05T09:52:22.845026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3582878e29adcb20c58d99ccd81e6fcc0c14f095b25dfea6a5ea46fd57c8edc3

Aliases

arxiv: 2412.15408 · arxiv_version: 2412.15408v1 · doi: 10.48550/arxiv.2412.15408 · pith_short_12: GWBIPDRJVXFS · pith_short_16: GWBIPDRJVXFSBRMN · pith_short_8: GWBIPDRJ

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/GWBIPDRJVXFSBRMNTHGNQHTPZQ \
  | 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: 3582878e29adcb20c58d99ccd81e6fcc0c14f095b25dfea6a5ea46fd57c8edc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b866914ca5a6d54fbd573f05c2ec7443abdd79e223fcab9c9330b51095e12c7",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-12-19T21:22:49Z",
    "title_canon_sha256": "5f984a6e86df1e793461a26116edfa69cfd6fda821a7a9581b1532f6610e1cd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.15408",
    "kind": "arxiv",
    "version": 1
  }
}