Pith Number

pith:5JHZDVLH

pith:2019:5JHZDVLHKS6CNGNED27EAMOQRO

not attested not anchored not stored refs pending

Tuning parameter selection rules for nuclear norm regularized multivariate linear regression

Lingchen Kong, Pan Shang

arxiv:1901.06478 v1 · 2019-01-19 · 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{5JHZDVLHKS6CNGNED27EAMOQRO}

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	2026-05-17T23:55:50.136645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea4f91d56754bc2699a41ebe4031d08bbdde451cfed0e9f267496c0c39bf94ca

Aliases

arxiv: 1901.06478 · arxiv_version: 1901.06478v1 · doi: 10.48550/arxiv.1901.06478 · pith_short_12: 5JHZDVLHKS6C · pith_short_16: 5JHZDVLHKS6CNGNE · pith_short_8: 5JHZDVLH

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/5JHZDVLHKS6CNGNED27EAMOQRO \
  | 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: ea4f91d56754bc2699a41ebe4031d08bbdde451cfed0e9f267496c0c39bf94ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96e3d7ee2b31437b969d9a01d239e358d43b40374e2ca08ef34e944fb3e2a3f5",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-01-19T07:52:33Z",
    "title_canon_sha256": "a9d29f95133a060b891222f4f588f27f6c9de97f2453caa2170beca261c1484a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06478",
    "kind": "arxiv",
    "version": 1
  }
}