Pith Number

pith:2UWMV4HP

pith:2019:2UWMV4HPOVY52HLYC6PL4GVFBK

not attested not anchored not stored refs pending

Sparse Laplacian Shrinkage with the Graphical Lasso Estimator for Regression Problems

Hu Yang, Siwei Xia, Yuehan Yang

arxiv:1904.04664 v1 · 2019-04-09 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UWMV4HPOVY52HLYC6PL4GVFBK}

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	2026-05-17T23:48:58.484266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d52ccaf0ef7571dd1d78179ebe1aa50a854acbee463300d29513a4c7c1a571f9

Aliases

arxiv: 1904.04664 · arxiv_version: 1904.04664v1 · doi: 10.48550/arxiv.1904.04664 · pith_short_12: 2UWMV4HPOVY5 · pith_short_16: 2UWMV4HPOVY52HLY · pith_short_8: 2UWMV4HP

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/2UWMV4HPOVY52HLYC6PL4GVFBK \
  | 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: d52ccaf0ef7571dd1d78179ebe1aa50a854acbee463300d29513a4c7c1a571f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7d83d4fc4e5da2cf598c47839af811449aee96d0be6108305e34f2659536852",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-04-09T13:41:20Z",
    "title_canon_sha256": "378a92e4bb32a7970588af82bda7d4f1f40a820e6f3507d50c051f62ab48c7a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04664",
    "kind": "arxiv",
    "version": 1
  }
}