Pith Number

pith:6IW2WIC2

pith:2021:6IW2WIC2KKLURE66KP4G3UCQ46

not attested not anchored not stored refs pending

A Global Two-stage Algorithm for Non-convex Penalized High-dimensional Linear Regression Problems

Min Liu, Peili Li, Zhou Yu

arxiv:2111.11801 v1 · 2021-11-23 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IW2WIC2KKLURE66KP4G3UCQ46}

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	2026-07-05T03:34:12.979904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f22dab205a52974893de53f86dd050e7b853a820a573fc8455bd953f0fd80835

Aliases

arxiv: 2111.11801 · arxiv_version: 2111.11801v1 · doi: 10.48550/arxiv.2111.11801 · pith_short_12: 6IW2WIC2KKLU · pith_short_16: 6IW2WIC2KKLURE66 · pith_short_8: 6IW2WIC2

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/6IW2WIC2KKLURE66KP4G3UCQ46 \
  | 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: f22dab205a52974893de53f86dd050e7b853a820a573fc8455bd953f0fd80835

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "494634b5e5dfa5ff4568e5c7ec38475b907aeb69f24ae846d95ee92c39a133da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2021-11-23T11:35:31Z",
    "title_canon_sha256": "7c5eaecd1e2f49d9b63106c5c79b37929c352146abfd3fd380da96485491ccd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.11801",
    "kind": "arxiv",
    "version": 1
  }
}