Pith Number

pith:YIRWJ6P7

pith:2023:YIRWJ6P7QVU4Y3GFGISIP7XRXG

not attested not anchored not stored refs pending

The Random Feature Method for Time-dependent Problems

Jingrun Chen, Weinan E, Yixin Luo

arxiv:2304.06913 v1 · 2023-04-14 · math.NA · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIRWJ6P7QVU4Y3GFGISIP7XRXG}

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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

3 papers in Pith

A Novel Tensor Product-Based Neural Network for Solving Partial Differential Equations

Multi-Scale Separable Fourier Neural Networks for Solving High-Frequency PDEs

A Discrete-Time Random Feature Method for Nonlinear Evolution Equations with Implicit-Explicit Runge--Kutta Time Stepping

Receipt and verification

First computed	2026-07-05T06:01:03.053786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22364f9ff8569cc6cc5322487fef1b99ef6228003e93acdc3ffb82f1ac1fb19

Aliases

arxiv: 2304.06913 · arxiv_version: 2304.06913v1 · doi: 10.48550/arxiv.2304.06913 · pith_short_12: YIRWJ6P7QVU4 · pith_short_16: YIRWJ6P7QVU4Y3GF · pith_short_8: YIRWJ6P7

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/YIRWJ6P7QVU4Y3GFGISIP7XRXG \
  | 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: c22364f9ff8569cc6cc5322487fef1b99ef6228003e93acdc3ffb82f1ac1fb19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "204375f46ad6e8b091897f0758927000c673da3ba3219f8d125a19321f7fbca0",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-14T03:37:30Z",
    "title_canon_sha256": "582ccc6690bf4e53a1123cabf053fed0528c427ac7ab03b4019c6b5563bb3e89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.06913",
    "kind": "arxiv",
    "version": 1
  }
}