Pith Number

pith:WI2CFFHN

pith:2018:WI2CFFHNLPKYBBSHTHDD3KXMDR

not attested not anchored not stored refs pending

Large-scale Nonlinear Variable Selection via Kernel Random Features

Alexandros Kalousis, Jason Ramapuram, Magda Gregorov\'a, St\'ephane Marchand-Maillet

arxiv:1804.07169 v2 · 2018-04-19 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI2CFFHNLPKYBBSHTHDD3KXMDR}

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	2026-05-18T00:06:40.138448Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2342294ed5bd580864799c63daaec1c5f00c4034a01b79a80e49c5b0c71f302

Aliases

arxiv: 1804.07169 · arxiv_version: 1804.07169v2 · doi: 10.48550/arxiv.1804.07169 · pith_short_12: WI2CFFHNLPKY · pith_short_16: WI2CFFHNLPKYBBSH · pith_short_8: WI2CFFHN

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/WI2CFFHNLPKYBBSHTHDD3KXMDR \
  | 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: b2342294ed5bd580864799c63daaec1c5f00c4034a01b79a80e49c5b0c71f302

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dc4a050a85c1603b352b5fb6c878d140b73dd74c573e4d4d8606358c5e7b572",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-04-19T13:51:45Z",
    "title_canon_sha256": "f45b0bfa745160a6f22350300bcaeb2e373a6ee2df049a142cb3c838399ad49b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07169",
    "kind": "arxiv",
    "version": 2
  }
}