Pith Number

pith:5ARMXEYO

pith:2017:5ARMXEYOWBM2SFHKIHBSEYCAZA

not attested not anchored not stored refs pending

Subset Selection for Multiple Linear Regression via Optimization

Diego Klabjan, Young Woong Park

arxiv:1701.07920 v2 · 2017-01-27 · 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{5ARMXEYOWBM2SFHKIHBSEYCAZA}

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	2026-07-05T01:32:39.761281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e822cb930eb059a914ea41c3226040c803edb33fa925427dcdfa9e2b8d2a84c6

Aliases

arxiv: 1701.07920 · arxiv_version: 1701.07920v2 · doi: 10.48550/arxiv.1701.07920 · pith_short_12: 5ARMXEYOWBM2 · pith_short_16: 5ARMXEYOWBM2SFHK · pith_short_8: 5ARMXEYO

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/5ARMXEYOWBM2SFHKIHBSEYCAZA \
  | 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: e822cb930eb059a914ea41c3226040c803edb33fa925427dcdfa9e2b8d2a84c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f513a7e361fead5b99681e0bb3341777e494e7fbf0aa01440a8bca256e2a2c12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2017-01-27T01:43:10Z",
    "title_canon_sha256": "5c8acac70a8a86df796e636c9547f197971ca17554ce2871c692c29e8048cc66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07920",
    "kind": "arxiv",
    "version": 2
  }
}