Pith Number

pith:ITLIZTJX

pith:2012:ITLIZTJX4BRI6NYRBNJNS7OHPY

not attested not anchored not stored refs pending

Minimax Rates of Estimation for Sparse PCA in High Dimensions

Jing Lei, Vincent Q. Vu

arxiv:1202.0786 v2 · 2012-02-03 · stat.ML · cs.LG · 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{ITLIZTJX4BRI6NYRBNJNS7OHPY}

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	2026-05-18T04:03:06.139799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44d68ccd37e0628f37110b52d97dc77e00f55b8acb709ff27cf49f72c8c47024

Aliases

arxiv: 1202.0786 · arxiv_version: 1202.0786v2 · doi: 10.48550/arxiv.1202.0786 · pith_short_12: ITLIZTJX4BRI · pith_short_16: ITLIZTJX4BRI6NYR · pith_short_8: ITLIZTJX

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/ITLIZTJX4BRI6NYRBNJNS7OHPY \
  | 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: 44d68ccd37e0628f37110b52d97dc77e00f55b8acb709ff27cf49f72c8c47024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7de9c4c8579bf4457e957ca36db30bb1c88a55d16c0ac172ab30a8514472d232",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-02-03T17:44:36Z",
    "title_canon_sha256": "67ea6abfe2429f3008cf8dff4e274316e13c059891b0036ebd582fb65268e886"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0786",
    "kind": "arxiv",
    "version": 2
  }
}