Pith. sign in
Pith Number

pith:OGCN4P62

pith:2021:OGCN4P62LUL24DBYDGG76MT7QY
not attested not anchored not stored refs pending

Predictive Model Degrees of Freedom in Linear Regression

Bo Luan, Yoonkyung Lee, Yunzhang Zhu

arxiv:2106.15682 v2 · 2021-06-29 · math.ST · stat.TH

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OGCN4P62LUL24DBYDGG76MT7QY}

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

Receipt and verification
First computed 2026-07-05T04:36:32.507624Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7184de3fda5d17ae0c38198dff327f860005409d06b69840c86c95cad952eeeb

Aliases

arxiv: 2106.15682 · arxiv_version: 2106.15682v2 · doi: 10.48550/arxiv.2106.15682 · pith_short_12: OGCN4P62LUL2 · pith_short_16: OGCN4P62LUL24DBY · pith_short_8: OGCN4P62
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OGCN4P62LUL24DBYDGG76MT7QY \
  | 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: 7184de3fda5d17ae0c38198dff327f860005409d06b69840c86c95cad952eeeb
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4e9268391754f96919c4ce57e537cd11ae02335716e416944129be0dd94226e1",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2021-06-29T19:12:12Z",
    "title_canon_sha256": "db82e30e19e3a6f9db58479f714dccce668fc49fe67d56643debc13f01cfe30a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15682",
    "kind": "arxiv",
    "version": 2
  }
}