Pith Number

pith:KQQ6JBP3

pith:2026:KQQ6JBP3AINAEHC4GYKASSOMB7

not attested not anchored not stored refs pending

The Sample Complexity of Multiclass and Sparse Contextual Bandits

Alexander Rakhlin, Alon Cohen, Fan Chen, Liad Erez, Shay Moran, Tomer Koren, Yishay Mansour

arxiv:2605.29645 v1 · 2026-05-28 · cs.LG · cs.AI · 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{KQQ6JBP3AINAEHC4GYKASSOMB7}

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	2026-05-29T01:05:52.841818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5421e485fb021a021c5c36140949cc0fc90943d705767014bd82bc0e31409c7e

Aliases

arxiv: 2605.29645 · arxiv_version: 2605.29645v1 · doi: 10.48550/arxiv.2605.29645 · pith_short_12: KQQ6JBP3AINA · pith_short_16: KQQ6JBP3AINAEHC4 · pith_short_8: KQQ6JBP3

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/KQQ6JBP3AINAEHC4GYKASSOMB7 \
  | 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: 5421e485fb021a021c5c36140949cc0fc90943d705767014bd82bc0e31409c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a198d152eb9c0ac62d5b7c05b52a2b8842cbc3cd1641f6e2a946df9ce283ab13",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-28T09:12:20Z",
    "title_canon_sha256": "5a7370f7028e23761d627644f16e1f0d8ffdde83b3c894101bf14419d0d04b81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29645",
    "kind": "arxiv",
    "version": 1
  }
}