Pith Number

pith:RWJ4SLA7

pith:2025:RWJ4SLA7A6GVPMLTEJN4ALZZAF

not attested not anchored not stored refs pending

A parametric activation function based on Wendland RBF

Majid Darehmiraki

arxiv:2507.11493 v1 · 2025-06-28 · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWJ4SLA7A6GVPMLTEJN4ALZZAF}

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	2026-07-05T11:37:40.062819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d93c92c1f078d57b173225bc02f390156880be2503e1b8f7e3dbcc015d17ab9

Aliases

arxiv: 2507.11493 · arxiv_version: 2507.11493v1 · doi: 10.48550/arxiv.2507.11493 · pith_short_12: RWJ4SLA7A6GV · pith_short_16: RWJ4SLA7A6GVPMLT · pith_short_8: RWJ4SLA7

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/RWJ4SLA7A6GVPMLTEJN4ALZZAF \
  | 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: 8d93c92c1f078d57b173225bc02f390156880be2503e1b8f7e3dbcc015d17ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdf7ad7c5865c1b372434964ef65e2b25cc2eda92670fe5a3658cc30cdf6598a",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-06-28T11:35:10Z",
    "title_canon_sha256": "0ed06ca119bde7035ed226d72a49cc5401eb0ac691b986bf1e3fb31b9442d8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11493",
    "kind": "arxiv",
    "version": 1
  }
}