Pith Number

pith:F3V6626X

pith:2019:F3V6626XALOOYP7KPGI5Z652DM

not attested not anchored not stored refs pending

An analysis of the cost of hyper-parameter selection via split-sample validation, with applications to penalized regression

Jean Feng, Noah Simon

arxiv:1903.12297 v1 · 2019-03-28 · 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{F3V6626XALOOYP7KPGI5Z652DM}

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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	2026-05-17T23:49:54.389138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eebef6bd702dcec3fea7991dcfbba1b15e019aa4ce4f037131b75cb1c53ed79

Aliases

arxiv: 1903.12297 · arxiv_version: 1903.12297v1 · doi: 10.48550/arxiv.1903.12297 · pith_short_12: F3V6626XALOO · pith_short_16: F3V6626XALOOYP7K · pith_short_8: F3V6626X

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/F3V6626XALOOYP7KPGI5Z652DM \
  | 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: 2eebef6bd702dcec3fea7991dcfbba1b15e019aa4ce4f037131b75cb1c53ed79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "611fa9e06734289306b898cf2cb8a9ab903d72904c170c3b34990e80f1e33b1a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-03-28T23:04:43Z",
    "title_canon_sha256": "906e5d56208f62271774b69361b9b7e21d875d1e48056278e874cc6f53361238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12297",
    "kind": "arxiv",
    "version": 1
  }
}