Pith Number

pith:IOC63PGZ

pith:2012:IOC63PGZAV3XERPNJVZQ5D2EM5

not attested not anchored not stored refs pending

Estimating sufficient reductions of the predictors in abundant high-dimensional regressions

Adam J. Rothman, Liliana Forzani, R. Dennis Cook

arxiv:1205.6556 v1 · 2012-05-30 · 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{IOC63PGZAV3XERPNJVZQ5D2EM5}

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	2026-05-18T03:54:38.579433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4385edbcd905777245ed4d730e8f4467755bba4e62f828b5311d54a1f443b4ea

Aliases

arxiv: 1205.6556 · arxiv_version: 1205.6556v1 · doi: 10.48550/arxiv.1205.6556 · pith_short_12: IOC63PGZAV3X · pith_short_16: IOC63PGZAV3XERPN · pith_short_8: IOC63PGZ

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/IOC63PGZAV3XERPNJVZQ5D2EM5 \
  | 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: 4385edbcd905777245ed4d730e8f4467755bba4e62f828b5311d54a1f443b4ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ed3095686efba122544670680169950ae55016dfdd14632f7de1300f7b7a93",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-05-30T07:02:24Z",
    "title_canon_sha256": "75b472c42fe9b2c21f525d8c8cbf34815d8072947218cfee61003d5646ed2f94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6556",
    "kind": "arxiv",
    "version": 1
  }
}