Pith Number

pith:MSSB3D25

pith:2025:MSSB3D25G6FDWGRMBUEIZN34TZ

not attested not anchored not stored refs pending

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

Baixue Xing, Hongliang Liu, ZhenXing Fu, Zhiqiang Sheng

arxiv:2505.20818 v1 · 2025-05-27 · 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{MSSB3D25G6FDWGRMBUEIZN34TZ}

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	2026-07-05T11:10:19.356825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64a41d8f5d378a3b1a2c0d088cb77c9e50bfb6e2f4afb99da3854fced83b4696

Aliases

arxiv: 2505.20818 · arxiv_version: 2505.20818v1 · doi: 10.48550/arxiv.2505.20818 · pith_short_12: MSSB3D25G6FD · pith_short_16: MSSB3D25G6FDWGRM · pith_short_8: MSSB3D25

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/MSSB3D25G6FDWGRMBUEIZN34TZ \
  | 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: 64a41d8f5d378a3b1a2c0d088cb77c9e50bfb6e2f4afb99da3854fced83b4696

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e67efd8bcf4a2a0d6cfa2089354193e6554a28ab31cb71b061a05833c3f82e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-27T07:24:39Z",
    "title_canon_sha256": "e53cc5f7f28262f5ab2d40dc83be46ea3df19f68e4018cf501a55b5ca371a31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20818",
    "kind": "arxiv",
    "version": 1
  }
}