Pith Number

pith:U6SUUNQI

pith:2011:U6SUUNQIM6PFIAGYIHTWEEZU3F

not attested not anchored not stored refs pending

Multi-stage Convex Relaxation for Feature Selection

Tong Zhang

arxiv:1106.0565 v2 · 2011-06-03 · 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{U6SUUNQIM6PFIAGYIHTWEEZU3F}

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	2026-05-18T04:07:05.238137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7a54a3608679e5400d841e7621334d973709bae13152458cfb807f85eb9374e

Aliases

arxiv: 1106.0565 · arxiv_version: 1106.0565v2 · doi: 10.48550/arxiv.1106.0565 · pith_short_12: U6SUUNQIM6PF · pith_short_16: U6SUUNQIM6PFIAGY · pith_short_8: U6SUUNQI

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/U6SUUNQIM6PFIAGYIHTWEEZU3F \
  | 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: a7a54a3608679e5400d841e7621334d973709bae13152458cfb807f85eb9374e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84206822ef3f6536f5e95a8ea21fb00f76056c4ee06f029bc20370d7f87a91c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-06-03T04:49:53Z",
    "title_canon_sha256": "6f5877362dbb9b8cb69bbf7195a2245aa36f25f1b2834110e6f7da00b0acf94f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0565",
    "kind": "arxiv",
    "version": 2
  }
}