Pith Number

pith:NJDPPGDT

pith:2025:NJDPPGDTEUJLWO4KT3OMPBTUOK

not attested not anchored not stored refs pending

Walsh-Hadamard Neural Operators for Solving PDEs with Discontinuous Coefficients

Alfredo Pinelli, Giorgio M. Cavallazzi, Miguel P\'erez Cuadrado

arxiv:2511.07347 v2 · 2025-11-10 · physics.comp-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJDPPGDTEUJLWO4KT3OMPBTUOK}

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	2026-05-20T01:04:30.233752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a46f798732512bb3b8a9edcc7867472b788599982a38a56467216b710a61bb5

Aliases

arxiv: 2511.07347 · arxiv_version: 2511.07347v2 · doi: 10.48550/arxiv.2511.07347 · pith_short_12: NJDPPGDTEUJL · pith_short_16: NJDPPGDTEUJLWO4K · pith_short_8: NJDPPGDT

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/NJDPPGDTEUJLWO4KT3OMPBTUOK \
  | 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: 6a46f798732512bb3b8a9edcc7867472b788599982a38a56467216b710a61bb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa98e4620731c8e488ff5a35b4326c4c44926bb04e4c5cbecff3b625eb3e0aa0",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-11-10T17:49:20Z",
    "title_canon_sha256": "58f5911b69108356363d65fbfd5ecbca2a9b21671d856169dda945e4e7fc078b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.07347",
    "kind": "arxiv",
    "version": 2
  }
}