Pith Number

pith:IJLGQKMM

pith:2015:IJLGQKMMGIYZBOYQ7NXDKCQSC5

not attested not anchored not stored refs pending

Direct l_(2,p)-Norm Learning for Feature Selection

Hanyang Peng, Yong Fan

arxiv:1504.00430 v1 · 2015-04-02 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IJLGQKMMGIYZBOYQ7NXDKCQSC5}

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	2026-05-18T02:19:43.341670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

425668298c323190bb10fb6e350a12175368bc9abf4f33e09b952070e6a6095d

Aliases

arxiv: 1504.00430 · arxiv_version: 1504.00430v1 · doi: 10.48550/arxiv.1504.00430 · pith_short_12: IJLGQKMMGIYZ · pith_short_16: IJLGQKMMGIYZBOYQ · pith_short_8: IJLGQKMM

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/IJLGQKMMGIYZBOYQ7NXDKCQSC5 \
  | 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: 425668298c323190bb10fb6e350a12175368bc9abf4f33e09b952070e6a6095d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1fbd0dbf6a4b6f8871e140055670b2a8c7ab64efd87fbe04ac43ba00ddd65dd",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-04-02T02:16:39Z",
    "title_canon_sha256": "62302059f0233b7b9a1deac3fef1c74bc56c7546be1eefb1cd1e674660ec1987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00430",
    "kind": "arxiv",
    "version": 1
  }
}