Pith Number

pith:YIW4RP7I

pith:2013:YIW4RP7IVVJX4KFWP4T2RMCUJ6

not attested not anchored not stored refs pending

Reduced-rank Regression in Sparse Multivariate Varying-Coefficient Models with High-dimensional Covariates

Heng Lian, Shujie Ma

arxiv:1309.6058 v1 · 2013-09-24 · 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{YIW4RP7IVVJX4KFWP4T2RMCUJ6}

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	2026-05-18T03:12:24.183369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22dc8bfe8ad537e28b67f27a8b0544f92535ce5efb3516d43a40cd8e543a61e

Aliases

arxiv: 1309.6058 · arxiv_version: 1309.6058v1 · doi: 10.48550/arxiv.1309.6058 · pith_short_12: YIW4RP7IVVJX · pith_short_16: YIW4RP7IVVJX4KFW · pith_short_8: YIW4RP7I

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/YIW4RP7IVVJX4KFWP4T2RMCUJ6 \
  | 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: c22dc8bfe8ad537e28b67f27a8b0544f92535ce5efb3516d43a40cd8e543a61e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccbb36bc9c2fb65e3411c1fbf117e5e1c75cf9203cdd85aa0b919518ac7d269f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-09-24T06:27:26Z",
    "title_canon_sha256": "5f57c6d936f07dfb3dc3450949ae21c6bdb20be262d9220d84e3272f0bb6f577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6058",
    "kind": "arxiv",
    "version": 1
  }
}