Pith Number

pith:7ZJCIN7L

pith:2018:7ZJCIN7LWSMIB24DZECBGAW6WN

not attested not anchored not stored refs pending

Principal component-guided sparse regression

Jerome Friedman, J. Kenneth Tay, Robert Tibshirani

arxiv:1810.04651 v3 · 2018-10-10 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZJCIN7LWSMIB24DZECBGAW6WN}

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	2026-05-18T00:02:24.616609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe522437ebb49880eb83c9041302deb37b12f6028979b1438d1c426b817e8f3b

Aliases

arxiv: 1810.04651 · arxiv_version: 1810.04651v3 · doi: 10.48550/arxiv.1810.04651 · pith_short_12: 7ZJCIN7LWSMI · pith_short_16: 7ZJCIN7LWSMIB24D · pith_short_8: 7ZJCIN7L

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/7ZJCIN7LWSMIB24DZECBGAW6WN \
  | 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: fe522437ebb49880eb83c9041302deb37b12f6028979b1438d1c426b817e8f3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "528132198c043d5166d1bc9e2608216200d42ec3779955c74c9dd339c8b2f99e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-10-10T17:18:46Z",
    "title_canon_sha256": "50fd9caaff6cb8774d1df0d5ccaba0b5f8ae0df76204bd6843d12f025175eaf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04651",
    "kind": "arxiv",
    "version": 3
  }
}