Pith Number

pith:57CY6TF6

pith:2017:57CY6TF6BFSDWQXHO457TTQQXJ

not attested not anchored not stored refs pending

Exhaustive search for sparse variable selection in linear regression

Hikaru Takenaka, Makoto Uemura, Masato Okada, Shiro Ikeda, Yasuhiko Igarashi, Yoshinori Nakanishi-Ohno

arxiv:1707.02050 v1 · 2017-07-07 · 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{57CY6TF6BFSDWQXHO457TTQQXJ}

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	2026-05-18T00:18:19.912194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efc58f4cbe09643b42e7773bf9ce10ba48fb58b421bbca62ab7c7563c3724d01

Aliases

arxiv: 1707.02050 · arxiv_version: 1707.02050v1 · doi: 10.48550/arxiv.1707.02050 · pith_short_12: 57CY6TF6BFSD · pith_short_16: 57CY6TF6BFSDWQXH · pith_short_8: 57CY6TF6

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/57CY6TF6BFSDWQXHO457TTQQXJ \
  | 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: efc58f4cbe09643b42e7773bf9ce10ba48fb58b421bbca62ab7c7563c3724d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d69deb4954da3f3f23759d057e139d18ba5a4824f7a5ca21d10ee55fc2a71255",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-07-07T06:19:00Z",
    "title_canon_sha256": "46d83a7e0640206ed5630d440b764e4de6f4e462596f21576fe04a59afa09255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02050",
    "kind": "arxiv",
    "version": 1
  }
}