Pith Number

pith:TCWFHBPF

pith:2023:TCWFHBPF5IZW3YPWNX6W6VPE7U

not attested not anchored not stored refs pending

VC-PINN: Variable Coefficient Physical Information Neural Network For Forward And Inverse PDE Problems with Variable Coefficient

Yong Chen, Zhengwu Miao

arxiv:2305.07479 v2 · 2023-05-12 · physics.comp-ph · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCWFHBPF5IZW3YPWNX6W6VPE7U}

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	2026-07-05T06:12:50.240712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98ac5385e5ea336de1f66dfd6f55e4fd1666db3a34302c17f5e52d0e9e97d1f8

Aliases

arxiv: 2305.07479 · arxiv_version: 2305.07479v2 · doi: 10.48550/arxiv.2305.07479 · pith_short_12: TCWFHBPF5IZW · pith_short_16: TCWFHBPF5IZW3YPW · pith_short_8: TCWFHBPF

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/TCWFHBPF5IZW3YPWNX6W6VPE7U \
  | 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: 98ac5385e5ea336de1f66dfd6f55e4fd1666db3a34302c17f5e52d0e9e97d1f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "937c8ed871b4e310a5928cedabcbd05c9aa4aa02572a414146468a5901746aeb",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2023-05-12T13:47:40Z",
    "title_canon_sha256": "a1aaedb3a376e760f67b41a231dde68174137afa9be29a6bd9a3c04e1e653108"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.07479",
    "kind": "arxiv",
    "version": 2
  }
}