Pith Number

pith:YRRY6MHH

pith:2020:YRRY6MHHXLIIOALTDTSALORMJ3

not attested not anchored not stored refs pending

Multivariate Functional Regression via Nested Reduced-Rank Regularization

Kun Chen, Shujie Ma, Xiaokang Liu

arxiv:2003.04786 v1 · 2020-03-10 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YRRY6MHHXLIIOALTDTSALORMJ3}

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	2026-07-05T00:47:07.399643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4638f30e7bad08701731ce405ba2c4ec2e160bebce0c3ae3bf25bf7c1153ea1

Aliases

arxiv: 2003.04786 · arxiv_version: 2003.04786v1 · doi: 10.48550/arxiv.2003.04786 · pith_short_12: YRRY6MHHXLII · pith_short_16: YRRY6MHHXLIIOALT · pith_short_8: YRRY6MHH

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/YRRY6MHHXLIIOALTDTSALORMJ3 \
  | 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: c4638f30e7bad08701731ce405ba2c4ec2e160bebce0c3ae3bf25bf7c1153ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11a305bfcd1e568c09325877e6cfd73083ae4f893aee1efeaa8a7e41cc9b088d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2020-03-10T14:58:54Z",
    "title_canon_sha256": "f8d76aab7e1ce60ab8495663d90282690d8088f35ca72f4eeee15c7e0f2464ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04786",
    "kind": "arxiv",
    "version": 1
  }
}