Pith Number

pith:CPZKZYOO

pith:2026:CPZKZYOOHWOAYHMZS7HQBQXDEU

not attested not anchored not stored refs pending

UBP2: Uncertainty-Balanced Preference Planning for Efficient Preference-based Reinforcement Learning

Jingmin Wang, Leo Cheng, Mohamed Nabail, Nicholas Rhinehart

arxiv:2606.19328 v1 · 2026-06-17 · cs.LG · cs.AI · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPZKZYOOHWOAYHMZS7HQBQXDEU}

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	2026-06-19T16:12:11.255187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f2ace1ce3d9c0c1d9997cf00c2e3250b743fbad6aa59377372925e1459a747

Aliases

arxiv: 2606.19328 · arxiv_version: 2606.19328v1 · doi: 10.48550/arxiv.2606.19328 · pith_short_12: CPZKZYOOHWOA · pith_short_16: CPZKZYOOHWOAYHMZ · pith_short_8: CPZKZYOO

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/CPZKZYOOHWOAYHMZS7HQBQXDEU \
  | 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: 13f2ace1ce3d9c0c1d9997cf00c2e3250b743fbad6aa59377372925e1459a747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dffbbf982dcf913024c528554ff64c3100866d6ad4e1c3e3c5aad9dce50e70b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-17T17:54:32Z",
    "title_canon_sha256": "f944da524b2fe1f306063a976819379f05abaa065fe96ec3d93504ba5cbf4795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19328",
    "kind": "arxiv",
    "version": 1
  }
}