Pith Number

pith:LMQ2BEZW

pith:2026:LMQ2BEZWOL6LIZDSVRXCEG4JZH

not attested not anchored not stored refs pending

Robust and sparse support vector machine via hybrid truncated loss for supervised classification

Chen Chen, Huiru Wang, Yuliang Yang, Yuxiang Liu

arxiv:2606.05814 v1 · 2026-06-04 · 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{LMQ2BEZWOL6LIZDSVRXCEG4JZH}

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	2026-06-05T01:15:04.222903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b21a0933672fcb46472ac6e221b89c9e3d8edec332d3977fee72cb1a86dcb39

Aliases

arxiv: 2606.05814 · arxiv_version: 2606.05814v1 · doi: 10.48550/arxiv.2606.05814 · pith_short_12: LMQ2BEZWOL6L · pith_short_16: LMQ2BEZWOL6LIZDS · pith_short_8: LMQ2BEZW

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/LMQ2BEZWOL6LIZDSVRXCEG4JZH \
  | 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: 5b21a0933672fcb46472ac6e221b89c9e3d8edec332d3977fee72cb1a86dcb39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "822338a303d8063c07048cb089714f39f8d4947175111a95e7ac77f1b5c9c723",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-04T07:53:48Z",
    "title_canon_sha256": "7bb2511582300cbb4004ec09c7fbf58690a89d3c61001f8e24ee47ae575bbb8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05814",
    "kind": "arxiv",
    "version": 1
  }
}