Pith Number

pith:QUJ6HEZD

pith:2024:QUJ6HEZDVF7AREQDHCM2ST4V5V

not attested not anchored not stored refs pending

Subspace method based on neural networks for solving the partial differential equation

Zhaodong Xu, Zhiqiang Sheng

arxiv:2404.08223 v1 · 2024-04-12 · 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{QUJ6HEZDVF7AREQDHCM2ST4V5V}

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

Domain Decomposition Subspace Neural Network Method for Solving Linear and Nonlinear Partial Differential Equations

Receipt and verification

First computed	2026-07-05T08:07:19.446041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8513e39323a97e0892033899a94f95ed4bd9960c22de736baf98d493fd9c6f73

Aliases

arxiv: 2404.08223 · arxiv_version: 2404.08223v1 · doi: 10.48550/arxiv.2404.08223 · pith_short_12: QUJ6HEZDVF7A · pith_short_16: QUJ6HEZDVF7AREQD · pith_short_8: QUJ6HEZD

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/QUJ6HEZDVF7AREQDHCM2ST4V5V \
  | 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: 8513e39323a97e0892033899a94f95ed4bd9960c22de736baf98d493fd9c6f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4f1fcc7354348753df285d4d660e15dc28ca96043b811088b68123754be8a3e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-04-12T03:37:27Z",
    "title_canon_sha256": "9c161e7f5e6e7e8ba9e0fb417453d762c2b041bd184366fda9fbe63cb872c2f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.08223",
    "kind": "arxiv",
    "version": 1
  }
}