Pith Number

pith:ECA6ISWN

pith:2022:ECA6ISWNBGHGVEX2RHX4CORY44

not attested not anchored not stored refs pending

Deep Petrov-Galerkin Method for Solving Partial Differential Equations

Fei Wang, Jingbo Sun, Yong Shang

arxiv:2201.12995 v1 · 2022-01-31 · 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{ECA6ISWNBGHGVEX2RHX4CORY44}

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

Rank Inspired Neural Network for solving linear partial differential equations

Receipt and verification

First computed	2026-07-05T03:52:41.671787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2081e44acd098e6a92fa89efc13a38e72321e467036ab215d14d704f32864666

Aliases

arxiv: 2201.12995 · arxiv_version: 2201.12995v1 · doi: 10.48550/arxiv.2201.12995 · pith_short_12: ECA6ISWNBGHG · pith_short_16: ECA6ISWNBGHGVEX2 · pith_short_8: ECA6ISWN

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/ECA6ISWNBGHGVEX2RHX4CORY44 \
  | 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: 2081e44acd098e6a92fa89efc13a38e72321e467036ab215d14d704f32864666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cca522ed70588a7a84889eaa0a18f0451f98730a1714d7d179e9186b02c8a6ac",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-31T04:16:02Z",
    "title_canon_sha256": "caba3990842a1b78ce591974c5c15ea574e9b8ec2a406fe51e7d9e948453d5c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.12995",
    "kind": "arxiv",
    "version": 1
  }
}