Pith Number

pith:Y4T2MZED

pith:2019:Y4T2MZEDIEOQZFVVJ2YUYSZXFP

not attested not anchored not stored refs pending

Waterfall Bandits: Learning to Sell Ads Online

Branislav Kveton, Saied Mahdian, S. Muthukrishnan, Yikun Xian, Zheng Wen

arxiv:1904.09404 v1 · 2019-04-20 · cs.LG · 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{Y4T2MZEDIEOQZFVVJ2YUYSZXFP}

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	2026-05-17T23:48:04.265336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c727a66483411d0c96b54eb14c4b372bec02d95875f6585aae43379dee7c66b0

Aliases

arxiv: 1904.09404 · arxiv_version: 1904.09404v1 · doi: 10.48550/arxiv.1904.09404 · pith_short_12: Y4T2MZEDIEOQ · pith_short_16: Y4T2MZEDIEOQZFVV · pith_short_8: Y4T2MZED

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/Y4T2MZEDIEOQZFVVJ2YUYSZXFP \
  | 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: c727a66483411d0c96b54eb14c4b372bec02d95875f6585aae43379dee7c66b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ab2ec4c2d2371a6b41e22c9ded82d9b5b7f5ceb209078c9c113cb5583067df0",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-20T05:11:56Z",
    "title_canon_sha256": "43989e4527bcd198f7d685da0dcd24819062723dc1cfb62f40d50f51bf6000ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09404",
    "kind": "arxiv",
    "version": 1
  }
}