Pith Number

pith:6CLJL7MI

pith:2025:6CLJL7MIUYKSMJWXZFWJWOIJRW

not attested not anchored not stored refs pending

On Symmetric Losses for Robust Policy Optimization with Noisy Preferences

Masashi Sugiyama, Soichiro Nishimori, Thanawat Lodkaew, Yu-Jie Zhang

arxiv:2505.24709 v1 · 2025-05-30 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CLJL7MIUYKSMJWXZFWJWOIJRW}

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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

1 paper in Pith

Optimal Transport for LLM Reward Modeling from Noisy Preference

Receipt and verification

First computed	2026-07-05T11:12:55.147008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f09695fd88a6152626d7c96c9b39098d85cb642c1c938589f023589abcc883e8

Aliases

arxiv: 2505.24709 · arxiv_version: 2505.24709v1 · doi: 10.48550/arxiv.2505.24709 · pith_short_12: 6CLJL7MIUYKS · pith_short_16: 6CLJL7MIUYKSMJWX · pith_short_8: 6CLJL7MI

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/6CLJL7MIUYKSMJWXZFWJWOIJRW \
  | 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: f09695fd88a6152626d7c96c9b39098d85cb642c1c938589f023589abcc883e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbf3d4d2917c5ae60693c7e6c34861252ae0ae20fffdee6a55d8243698a82b63",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-30T15:30:43Z",
    "title_canon_sha256": "e624563e5b4ce3e306c627fa50a21dade63f9e559675ffe1ff825ab474cab4a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.24709",
    "kind": "arxiv",
    "version": 1
  }
}