Pith Number

pith:4T5TDNEV

pith:2008:4T5TDNEV2UC5WNEUXPL4UI2PI2

not attested not anchored not stored refs pending

Support union recovery in high-dimensional multivariate regression

Guillaume Obozinski, Martin J. Wainwright, Michael I. Jordan

arxiv:0808.0711 v2 · 2008-08-05 · stat.ML · 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{4T5TDNEV2UC5WNEUXPL4UI2PI2}

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	2026-05-18T04:27:25.775950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4fb31b495d505db3494bbd7ca234f468f444facc62a4747a03082d0193b045d

Aliases

arxiv: 0808.0711 · arxiv_version: 0808.0711v2 · doi: 10.48550/arxiv.0808.0711 · pith_short_12: 4T5TDNEV2UC5 · pith_short_16: 4T5TDNEV2UC5WNEU · pith_short_8: 4T5TDNEV

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/4T5TDNEV2UC5WNEUXPL4UI2PI2 \
  | 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: e4fb31b495d505db3494bbd7ca234f468f444facc62a4747a03082d0193b045d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "640cc61f78dcf25ff0bb25620637cae4cbe4277f5b0b305eb78dd8764555f0fa",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2008-08-05T20:17:40Z",
    "title_canon_sha256": "8c130329cd974d1c8719feff1be64e52d269bd339d72a7ad6ae9c2c0bc153c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.0711",
    "kind": "arxiv",
    "version": 2
  }
}