Pith Number

pith:B6722UWH

pith:2026:B6722UWH66Y3ADZQZK2K4EIC45

not attested not anchored not stored refs pending

A Simple Approximation to the Distribution of the Ridge Regression Estimator

Amilcar Velez, Haomin Yu, Jos\'e Luis Montiel Olea, Ryan Strong, Zhuoheng Xu

arxiv:2608.02539 v1 · 2026-08-03 · econ.EM · cs.LG · math.ST · 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{B6722UWH66Y3ADZQZK2K4EIC45}

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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	2026-08-04T02:44:04.081723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fbfad52c7f7b1b00f30cab4ae1102e75ad7b2954883bbd6de0ff440d21d7d37

Aliases

arxiv: 2608.02539 · arxiv_version: 2608.02539v1 · doi: 10.48550/arxiv.2608.02539 · pith_short_12: B6722UWH66Y3 · pith_short_16: B6722UWH66Y3ADZQ · pith_short_8: B6722UWH

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/B6722UWH66Y3ADZQZK2K4EIC45 \
  | 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: 0fbfad52c7f7b1b00f30cab4ae1102e75ad7b2954883bbd6de0ff440d21d7d37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "649343da9c7f4558debb4e5134185ae8c7f1aee804c5c28dca9ee983054db81d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-08-03T17:28:17Z",
    "title_canon_sha256": "cfe2667ebf33513e674d054c0d9857de2a4fb60a3f33fc9250ca587624b434fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.02539",
    "kind": "arxiv",
    "version": 1
  }
}