Pith Number

pith:NC2XHRIX

pith:2026:NC2XHRIXM7MJH5NK7ITB2KDHSV

not attested not anchored not stored refs pending

From Reward-Free Representations to Preferences: Rethinking Offline Preference-Based Reinforcement Learning

Chia-Heng Hsu, Jun-Jie Yang, Kui-Yuan Chen, Ping-Chun Hsieh

arxiv:2606.01123 v1 · 2026-05-31 · 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{NC2XHRIXM7MJH5NK7ITB2KDHSV}

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	2026-06-02T02:04:24.165009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b573c51767d893f5aafa261d2867954cc908cf04bf15198279135bffa9845d

Aliases

arxiv: 2606.01123 · arxiv_version: 2606.01123v1 · doi: 10.48550/arxiv.2606.01123 · pith_short_12: NC2XHRIXM7MJ · pith_short_16: NC2XHRIXM7MJH5NK · pith_short_8: NC2XHRIX

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/NC2XHRIXM7MJH5NK7ITB2KDHSV \
  | 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: 68b573c51767d893f5aafa261d2867954cc908cf04bf15198279135bffa9845d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2278d13ecbe4bdcf4dcea20127d9612f3f6c614f10a417280cc97d7328c0acff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-31T09:46:53Z",
    "title_canon_sha256": "fc754fa0c3d0146a27b807a4650d32930e64440083759b88c6694268665573d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01123",
    "kind": "arxiv",
    "version": 1
  }
}