Pith Number

pith:OUQWTZLY

pith:2012:OUQWTZLYJ3ETFIXOXEEPOV4CTB

not attested not anchored not stored refs pending

Optimized Look-Ahead Tree Policies: A Bridge Between Look-Ahead Tree Policies and Direct Policy Search

Damien Ernst, Francis Maes, Louis Wehenkel, Tobias Jung

arxiv:1208.4773 v1 · 2012-08-23 · cs.SY · cs.AI · 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{OUQWTZLYJ3ETFIXOXEEPOV4CTB}

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	2026-05-18T02:21:00.530667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

752169e5784ec932a2eeb908f7578298705bfcb03fb3bee886b70e76073f9bb0

Aliases

arxiv: 1208.4773 · arxiv_version: 1208.4773v1 · doi: 10.48550/arxiv.1208.4773 · pith_short_12: OUQWTZLYJ3ET · pith_short_16: OUQWTZLYJ3ETFIXO · pith_short_8: OUQWTZLY

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/OUQWTZLYJ3ETFIXOXEEPOV4CTB \
  | 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: 752169e5784ec932a2eeb908f7578298705bfcb03fb3bee886b70e76073f9bb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87883d229ebb6a83f6891c5416339ff164683f31889eb3acf8b5f94553abfe78",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2012-08-23T14:48:52Z",
    "title_canon_sha256": "c9c3f7a3a23ec7e3786cb4dd7e02542dcb81e6914aab085e51fff6a2c179c56e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4773",
    "kind": "arxiv",
    "version": 1
  }
}