Pith Number

pith:FRBXUVLM

pith:2024:FRBXUVLMETH5DOQJGUMMXHT2EU

not attested not anchored not stored refs pending

Nodewise Loreg: Nodewise $L_0$-penalized Regression for High-dimensional Sparse Precision Matrix Estimation

Hai Shu, Hongtu Zhu, Yingjie Zhang, Ziqi Chen

arxiv:2406.06481 v1 · 2024-06-10 · 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{FRBXUVLMETH5DOQJGUMMXHT2EU}

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	2026-07-05T08:29:43.043890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c437a556c24cfd1ba093518cb9e7a250e88c01865a8150ea7b40e3afa483a63

Aliases

arxiv: 2406.06481 · arxiv_version: 2406.06481v1 · doi: 10.48550/arxiv.2406.06481 · pith_short_12: FRBXUVLMETH5 · pith_short_16: FRBXUVLMETH5DOQJ · pith_short_8: FRBXUVLM

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/FRBXUVLMETH5DOQJGUMMXHT2EU \
  | 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: 2c437a556c24cfd1ba093518cb9e7a250e88c01865a8150ea7b40e3afa483a63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748c193b529c3e25aaf3b4be35a0705f2a88b1b05ac618a86f24f8ee6ad42150",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2024-06-10T17:22:01Z",
    "title_canon_sha256": "905a3a3c423b6faf629359b3f15b1ce52ff944555f6dfec3290ad786c3a1c813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.06481",
    "kind": "arxiv",
    "version": 1
  }
}