Pith Number

pith:QQFTHL4U

pith:2018:QQFTHL4UVAMWDGQ6THOVGFHDKT

not attested not anchored not stored refs pending

Regularized Contextual Bandits

Quentin Berthet, Vianney Perchet, Xavier Fontaine

arxiv:1810.05065 v2 · 2018-10-11 · stat.ML · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QQFTHL4UVAMWDGQ6THOVGFHDKT}

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	2026-05-17T23:44:07.521834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840b33af94a819619a1e99dd5314e354e4e58492dfe49e8224caa74350401951

Aliases

arxiv: 1810.05065 · arxiv_version: 1810.05065v2 · doi: 10.48550/arxiv.1810.05065 · pith_short_12: QQFTHL4UVAMW · pith_short_16: QQFTHL4UVAMWDGQ6 · pith_short_8: QQFTHL4U

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/QQFTHL4UVAMWDGQ6THOVGFHDKT \
  | 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: 840b33af94a819619a1e99dd5314e354e4e58492dfe49e8224caa74350401951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4dfb57db846eec104bc839dcb0fde1281d72268491ad7b96161ac45ec74e164",
    "cross_cats_sorted": [
      "cs.LG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-10-11T15:00:15Z",
    "title_canon_sha256": "3876ac45b2ef1ae84a01a7f44188efdc58359b58f2c754ac4384aff7f65c88cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05065",
    "kind": "arxiv",
    "version": 2
  }
}