Pith Number

pith:TM6JDJWU

pith:2009:TM6JDJWUOGSMYS3RXN6ZFVLFAL

not attested not anchored not stored refs pending

Convex Optimization Methods for Dimension Reduction and Coefficient Estimation in Multivariate Linear Regression

Ming Yuan, Renato D. C. Monteiro, Zhaosong Lu

arxiv:0904.0691 v1 · 2009-04-04 · stat.ME · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TM6JDJWUOGSMYS3RXN6ZFVLFAL}

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	2026-07-04T15:40:40.164817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b3c91a6d471a4cc4b71bb7d92d56502d4d20778f1bd226b2c034597e056fd63

Aliases

arxiv: 0904.0691 · arxiv_version: 0904.0691v1 · doi: 10.48550/arxiv.0904.0691 · pith_short_12: TM6JDJWUOGSM · pith_short_16: TM6JDJWUOGSMYS3R · pith_short_8: TM6JDJWU

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/TM6JDJWUOGSMYS3RXN6ZFVLFAL \
  | 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: 9b3c91a6d471a4cc4b71bb7d92d56502d4d20778f1bd226b2c034597e056fd63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a4082712db08514771e1978293aa5a2fdd87e123afba2cdb4028479a51dc96",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-04-04T06:34:20Z",
    "title_canon_sha256": "7608aa0d62fbe1d9177b4c7c1770b12687d5e6c7a8805a6c9c36950759ede81a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0691",
    "kind": "arxiv",
    "version": 1
  }
}