Pith Number

pith:WLK3U2JL

pith:2018:WLK3U2JLDK27SKRHFE2R3U2X4U

not attested not anchored not stored refs pending

Fast Optimal Bandwidth Selection for RBF Kernel using Reproducing Kernel Hilbert Space Operators for Kernel Based Classifiers

Bharath Bhushan Damodaran

arxiv:1804.05214 v1 · 2018-04-14 · stat.ML · 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{WLK3U2JLDK27SKRHFE2R3U2X4U}

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	2026-05-18T00:18:30.300015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d5ba692b1ab5f92a2729351dd357e53076860f4bb6dcb8f2ad58747db77702

Aliases

arxiv: 1804.05214 · arxiv_version: 1804.05214v1 · doi: 10.48550/arxiv.1804.05214 · pith_short_12: WLK3U2JLDK27 · pith_short_16: WLK3U2JLDK27SKRH · pith_short_8: WLK3U2JL

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/WLK3U2JLDK27SKRHFE2R3U2X4U \
  | 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: b2d5ba692b1ab5f92a2729351dd357e53076860f4bb6dcb8f2ad58747db77702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a372213ceea9fcea7f26b2a78cbe55bab2aa932e6d73165f117c4ca80739407",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-04-14T12:42:09Z",
    "title_canon_sha256": "b46386e2f6ae518e726cf4be585837f0796e290db92757b083cde825094711c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05214",
    "kind": "arxiv",
    "version": 1
  }
}