Pith Number

pith:JSSRABT5

pith:2026:JSSRABT5FEY62DY6GIMLQ7EM3U

not attested not anchored not stored refs pending

Fourier Neural Operators with rank-1 lattice points and hyperbolic cross

Alexander Keller, Dirk Nuyens, Frances Y. Kuo, Jakob Dilen

arxiv:2606.08871 v1 · 2026-06-07 · math.NA · cs.LG · 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{JSSRABT5FEY62DY6GIMLQ7EM3U}

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	2026-06-09T02:07:44.485650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca510067d2931ed0f1e3218b87c8cdd0f23764319fc93c484b4e837c4694c19

Aliases

arxiv: 2606.08871 · arxiv_version: 2606.08871v1 · doi: 10.48550/arxiv.2606.08871 · pith_short_12: JSSRABT5FEY6 · pith_short_16: JSSRABT5FEY62DY6 · pith_short_8: JSSRABT5

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/JSSRABT5FEY62DY6GIMLQ7EM3U \
  | 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: 4ca510067d2931ed0f1e3218b87c8cdd0f23764319fc93c484b4e837c4694c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb02bae9dcb1df5b052162d1a7b07f46367491d86a0d9abaf049b5312933a81c",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-07T22:55:39Z",
    "title_canon_sha256": "9146295151cb0c42133b54e4def16f37f77c58f5cc6bcbd4664c8186eee8a6f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08871",
    "kind": "arxiv",
    "version": 1
  }
}