Pith Number

pith:VU47NDZD

pith:2014:VU47NDZDKXS2HVSH27YBPUFDYG

not attested not anchored not stored refs pending

A note relating ridge regression and OLS p-values to preconditioned sparse penalized regression

Karl Rohe

arxiv:1411.7405 v2 · 2014-11-26 · stat.ML · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VU47NDZDKXS2HVSH27YBPUFDYG}

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	2026-05-18T02:32:13.535638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad39f68f2355e5a3d647d7f017d0a3c1995663ede8a836e1a6723eca57fe8c90

Aliases

arxiv: 1411.7405 · arxiv_version: 1411.7405v2 · doi: 10.48550/arxiv.1411.7405 · pith_short_12: VU47NDZDKXS2 · pith_short_16: VU47NDZDKXS2HVSH · pith_short_8: VU47NDZD

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/VU47NDZDKXS2HVSH27YBPUFDYG \
  | 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: ad39f68f2355e5a3d647d7f017d0a3c1995663ede8a836e1a6723eca57fe8c90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68271c4049e85b8796a6343fe5b5ef2a1f0a024a4d36a808f2d55b14b29240ac",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-11-26T21:47:00Z",
    "title_canon_sha256": "7b8431d6a2aae3a7ffe568cf8b29d6ac6c42585dbf93d5856fe8fb603b480acd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7405",
    "kind": "arxiv",
    "version": 2
  }
}