Pith Number

pith:HMY22WYW

pith:2013:HMY22WYWQMWQEB3RR535U2PL32

not attested not anchored not stored refs pending

A Safe Screening Rule for Sparse Logistic Regression

Jiayu Zhou, Jieping Ye, Jie Wang, Jun Liu, Peter Wonka

arxiv:1307.4145 v2 · 2013-07-16 · cs.LG · 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{HMY22WYWQMWQEB3RR535U2PL32}

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	2026-05-18T03:18:05.795752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b31ad5b16832d0207718f77da69ebdea7ca47462b1f5021846d3aa3159b1dec

Aliases

arxiv: 1307.4145 · arxiv_version: 1307.4145v2 · doi: 10.48550/arxiv.1307.4145 · pith_short_12: HMY22WYWQMWQ · pith_short_16: HMY22WYWQMWQEB3R · pith_short_8: HMY22WYW

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/HMY22WYWQMWQEB3RR535U2PL32 \
  | 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: 3b31ad5b16832d0207718f77da69ebdea7ca47462b1f5021846d3aa3159b1dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2933186088a80b5d43c110c394a2ab05414f80484ccdffeb2c191fb07e1149b6",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-07-16T02:03:51Z",
    "title_canon_sha256": "4e0e2ffee8d9190c8f203900e0da059464c0abcd919278b0ebcd7732bd2eed05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4145",
    "kind": "arxiv",
    "version": 2
  }
}