Pith Number

pith:7L5NQXPF

pith:2013:7L5NQXPF44KEDKKG552KVVW4TB

not attested not anchored not stored refs pending

Calibrating nonconvex penalized regression in ultra-high dimension

Lan Wang, Runze Li, Yongdai Kim

arxiv:1311.4981 v1 · 2013-11-20 · 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{7L5NQXPF44KEDKKG552KVVW4TB}

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	2026-05-18T03:06:42.286528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafad85de5e71441a946ef74aad6dc9840b38a24a96312da51cf6c24af6ce256

Aliases

arxiv: 1311.4981 · arxiv_version: 1311.4981v1 · doi: 10.48550/arxiv.1311.4981 · pith_short_12: 7L5NQXPF44KE · pith_short_16: 7L5NQXPF44KEDKKG · pith_short_8: 7L5NQXPF

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/7L5NQXPF44KEDKKG552KVVW4TB \
  | 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: fafad85de5e71441a946ef74aad6dc9840b38a24a96312da51cf6c24af6ce256

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89b18fe3ffa89894c42439e5fc216ff8eb5abf630ecb9dadf79acdcb809eee9b",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-11-20T08:34:55Z",
    "title_canon_sha256": "d8156bc7a1afb4ff545a272126530a4f24921380263e49f46dc1120cc73215b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4981",
    "kind": "arxiv",
    "version": 1
  }
}