Pith Number

pith:NNK2DTI2

pith:2013:NNK2DTI23L2AHJVXMOVKMW5PF3

not attested not anchored not stored refs pending

A Blockwise Descent Algorithm for Group-penalized Multiresponse and Multinomial Regression

Jerome Friedman, Noah Simon, Trevor Hastie

arxiv:1311.6529 v1 · 2013-11-26 · stat.CO · 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{NNK2DTI23L2AHJVXMOVKMW5PF3}

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	2026-05-18T03:06:12.442060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b55a1cd1adaf403a6b763aaa65baf2ef41a8cc941bc42da3b650030273aa22f

Aliases

arxiv: 1311.6529 · arxiv_version: 1311.6529v1 · doi: 10.48550/arxiv.1311.6529 · pith_short_12: NNK2DTI23L2A · pith_short_16: NNK2DTI23L2AHJVX · pith_short_8: NNK2DTI2

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/NNK2DTI23L2AHJVXMOVKMW5PF3 \
  | 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: 6b55a1cd1adaf403a6b763aaa65baf2ef41a8cc941bc42da3b650030273aa22f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f5f5739d49de3e0a62d4f81929885c2dbd7f929436c8a626a11595f2df167a2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-11-26T00:57:30Z",
    "title_canon_sha256": "dadefa61b4b30e69f1994914cc17cb36c4e4e43ff56f79844cc4590375d80e84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6529",
    "kind": "arxiv",
    "version": 1
  }
}