Pith Number

pith:IUE7SNBW

pith:2015:IUE7SNBWMPUIYBQYDMSTF3VHUM

not attested not anchored not stored refs pending

A Proximal Approach for Sparse Multiclass SVM

B. Pesquet-Popescu, G. Chierchia, Jean-Christophe Pesquet, Nelly Pustelnik

arxiv:1501.03669 v5 · 2015-01-15 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUE7SNBWMPUIYBQYDMSTF3VHUM}

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	2026-05-18T01:24:30.454560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4509f9343663e88c06181b2532eea7a33d43cd014a0cc9f38aa27042b8ce1c6a

Aliases

arxiv: 1501.03669 · arxiv_version: 1501.03669v5 · doi: 10.48550/arxiv.1501.03669 · pith_short_12: IUE7SNBWMPUI · pith_short_16: IUE7SNBWMPUIYBQY · pith_short_8: IUE7SNBW

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/IUE7SNBWMPUIYBQYDMSTF3VHUM \
  | 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: 4509f9343663e88c06181b2532eea7a33d43cd014a0cc9f38aa27042b8ce1c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e7b6d5cd3b73c37f06b1797750018ea0f8fb9aaca9e51e0111e4db2683b6f3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-01-15T13:23:14Z",
    "title_canon_sha256": "65110d73909cb2b5886fa63c0b9ef2bf08aa814158cfb2ec209f12c92bae2cec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03669",
    "kind": "arxiv",
    "version": 5
  }
}