Pith Number

pith:IODEER3B

pith:2023:IODEER3BR5YVPRT4PD4IF6CL7C

not attested not anchored not stored refs pending

HomPINNs: homotopy physics-informed neural networks for solving the inverse problems of nonlinear differential equations with multiple solutions

Guang Lin, Haoyang Zheng, Wenrui Hao, Yao Huang, Ziyang Huang

arxiv:2304.02811 v2 · 2023-04-06 · cs.LG · cs.AI · cs.NA · math.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{IODEER3BR5YVPRT4PD4IF6CL7C}

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	2026-07-05T07:34:32.419245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43864247618f7157c67c78f882f84bf898d598c8c090c7e000b16eaeec497110

Aliases

arxiv: 2304.02811 · arxiv_version: 2304.02811v2 · doi: 10.48550/arxiv.2304.02811 · pith_short_12: IODEER3BR5YV · pith_short_16: IODEER3BR5YVPRT4 · pith_short_8: IODEER3B

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/IODEER3BR5YVPRT4PD4IF6CL7C \
  | 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: 43864247618f7157c67c78f882f84bf898d598c8c090c7e000b16eaeec497110

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f52760abec15debdf3c0f88b4cf0d52d95e22aa3ed40ac8a07e89846776e84cb",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-04-06T01:20:23Z",
    "title_canon_sha256": "d89252f3cca6e4494af8254e30d64fe2a2b4d13194c046ecf0744ee4f9fcaf16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.02811",
    "kind": "arxiv",
    "version": 2
  }
}