Pith Number

pith:BXYRVZUO

pith:2019:BXYRVZUO4D7LPOXBRLSFV73H5A

not attested not anchored not stored refs pending

Ridge Regression: Structure, Cross-Validation, and Sketching

Edgar Dobriban, Sifan Liu

arxiv:1910.02373 v3 · 2019-10-06 · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BXYRVZUO4D7LPOXBRLSFV73H5A}

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.

Cited by

1 paper in Pith

Semiparametric Inference for Partially Identifiable Data Fusion Estimands via Double Machine Learning

Receipt and verification

First computed	2026-07-05T00:51:04.402822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df11ae68ee0feb7bae18ae45aff67e81d0f58efe2d8b5bdfab25646badb469f

Aliases

arxiv: 1910.02373 · arxiv_version: 1910.02373v3 · doi: 10.48550/arxiv.1910.02373 · pith_short_12: BXYRVZUO4D7L · pith_short_16: BXYRVZUO4D7LPOXB · pith_short_8: BXYRVZUO

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/BXYRVZUO4D7LPOXBRLSFV73H5A \
  | 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: 0df11ae68ee0feb7bae18ae45aff67e81d0f58efe2d8b5bdfab25646badb469f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16b4f2b6a4338b0cb49f94216f223271e9356ea0a3ea4e33155446089a8ab5cf",
    "cross_cats_sorted": [
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-10-06T05:00:40Z",
    "title_canon_sha256": "56aaab7a0f49e9efa63a138d32443f048daf6dd68f7252d8c29035a4d7fa2b97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.02373",
    "kind": "arxiv",
    "version": 3
  }
}