Pith Number

pith:7AHSBTBG

pith:2025:7AHSBTBG3FN3WOK6L7DWK32RSY

not attested not anchored not stored refs pending

Probabilistic Uncertain Reward Model

Haotian Xu, Jun Zhao, Kang Liu, Shizhu He, Wangtao Sun, Xiang Cheng, Xing Yu, Zhao Yang

arxiv:2503.22480 v6 · 2025-03-28 · 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{7AHSBTBG3FN3WOK6L7DWK32RSY}

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.

Cited by

3 papers in Pith

Modularized Reinforcement Learning on LLMs: From MDP Creation to Exploration and Learning

A Unifying Lens on Reward Uncertainty in RLHF

Variance-aware Reward Modeling with Anchor Guidance

Receipt and verification

First computed	2026-07-05T11:03:58.762582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f80f20cc26d95bbb395e5fc7656f51962c4851921b31ea7bbb5839428963819d

Aliases

arxiv: 2503.22480 · arxiv_version: 2503.22480v6 · doi: 10.48550/arxiv.2503.22480 · pith_short_12: 7AHSBTBG3FN3 · pith_short_16: 7AHSBTBG3FN3WOK6 · pith_short_8: 7AHSBTBG

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/7AHSBTBG3FN3WOK6L7DWK32RSY \
  | 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: f80f20cc26d95bbb395e5fc7656f51962c4851921b31ea7bbb5839428963819d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3e67f24307cd6d29c07c0cedb976d74f703c1884463519546e5fbec9e07d98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-03-28T14:39:52Z",
    "title_canon_sha256": "d8e6b6db9c4038efe23f4b1adb9d6688b10d1d3c1de1003438d085616fe02cb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22480",
    "kind": "arxiv",
    "version": 6
  }
}