Pith Number

pith:4Z6YLYSN

pith:2020:4Z6YLYSNCWRWB3U4RD226OSDI2

not attested not anchored not stored refs pending

Conditional Uncorrelation and Efficient Non-approximate Subset Selection in Sparse Regression

Fei-Yue Wang, Jianji Wang, Nanning Zheng, Qi Liu, Shupei Zhang

arxiv:2009.03986 v2 · 2020-09-08 · 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{4Z6YLYSNCWRWB3U4RD226OSDI2}

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	2026-07-05T01:53:56.543208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67d85e24d15a360ee9c88f5af3a43468ebfc4276fcecf4d10b6b89945a44690

Aliases

arxiv: 2009.03986 · arxiv_version: 2009.03986v2 · doi: 10.48550/arxiv.2009.03986 · pith_short_12: 4Z6YLYSNCWRW · pith_short_16: 4Z6YLYSNCWRWB3U4 · pith_short_8: 4Z6YLYSN

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/4Z6YLYSNCWRWB3U4RD226OSDI2 \
  | 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: e67d85e24d15a360ee9c88f5af3a43468ebfc4276fcecf4d10b6b89945a44690

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7197837e9df4412c31ccdc573c665bad45b58c3f8dc8dc8e1d4fabda1f079df4",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-09-08T20:32:26Z",
    "title_canon_sha256": "a8ea425c976dd7c8a1fd1aba98b69e76d74274ca36f8eca4c004cca961773b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03986",
    "kind": "arxiv",
    "version": 2
  }
}