Pith Number

pith:XMXWQLFG

pith:2017:XMXWQLFGWGDBBA7YI4HQESUB5G

not attested not anchored not stored refs pending

Sparsity, variance and curvature in multi-armed bandits

Michael B. Cohen, S\'ebastien Bubeck, Yuanzhi Li

arxiv:1711.01037 v1 · 2017-11-03 · 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{XMXWQLFGWGDBBA7YI4HQESUB5G}

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.

Cited by

1 paper in Pith

Covariance-adapting algorithm for semi-bandits with application to sparse rewards

Receipt and verification

First computed	2026-05-18T00:31:24.226419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb2f682ca6b1861083f8470f024a81e9959f1175c193d3e6d14780cf31a36401

Aliases

arxiv: 1711.01037 · arxiv_version: 1711.01037v1 · doi: 10.48550/arxiv.1711.01037 · pith_short_12: XMXWQLFGWGDB · pith_short_16: XMXWQLFGWGDBBA7Y · pith_short_8: XMXWQLFG

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/XMXWQLFGWGDBBA7YI4HQESUB5G \
  | 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: bb2f682ca6b1861083f8470f024a81e9959f1175c193d3e6d14780cf31a36401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc83d6f8394eb17d06d76a73d98ad6b6f877b540793eb19d142b4e959ff3d2b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-11-03T06:46:45Z",
    "title_canon_sha256": "6fe17ab4459e3ab5f5fc365531d6f4cebdffb01746d405acd50d6cda176dc2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01037",
    "kind": "arxiv",
    "version": 1
  }
}