Pith Number

pith:N2CGYVFC

pith:2015:N2CGYVFCUBXRVGXAHULGKRFAQ6

not attested not anchored not stored refs pending

SOCP relaxation bounds for the optimal subset selection problem applied to robust linear regression

Salvador Flores

arxiv:1505.08134 v1 · 2015-05-29 · math.OC · math.ST · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N2CGYVFCUBXRVGXAHULGKRFAQ6}

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	2026-05-18T01:59:59.589972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e846c54a2a06f1a9ae03d166544a087b8be814d115d940d68db674a24cc8b86

Aliases

arxiv: 1505.08134 · arxiv_version: 1505.08134v1 · doi: 10.48550/arxiv.1505.08134 · pith_short_12: N2CGYVFCUBXR · pith_short_16: N2CGYVFCUBXRVGXA · pith_short_8: N2CGYVFC

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/N2CGYVFCUBXRVGXAHULGKRFAQ6 \
  | 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: 6e846c54a2a06f1a9ae03d166544a087b8be814d115d940d68db674a24cc8b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a084e4868ab6eefda8f83e1cdf1d8cc954052a56aff7714eeb1d14a150491a60",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-05-29T18:24:12Z",
    "title_canon_sha256": "6a2c3e314798f4661d9a801c17aaf33a7b7f86a06ef3c5242833c4ecb64cd1b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.08134",
    "kind": "arxiv",
    "version": 1
  }
}