Pith Number

pith:I6ESPC2A

pith:2025:I6ESPC2ATMX2P5T3MAYBTMA2OX

not attested not anchored not stored refs pending

SimPER: A Minimalist Approach to Preference Alignment without Hyperparameters

Mingxiao Li, Shangsong Liang, Teng Xiao, Vasant G Honavar, Yige Yuan, Zhaochun Ren, Zhengyu Chen

arxiv:2502.00883 v4 · 2025-02-02 · cs.LG · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6ESPC2ATMX2P5T3MAYBTMA2OX}

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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

DPO-Shift: Shifting the Distribution of Direct Preference Optimization

Receipt and verification

First computed	2026-07-05T10:17:15.552872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4789278b409b2fa7f67b603019b01a75c6b55ae3eb80549e50af9c50e0d08d4f

Aliases

arxiv: 2502.00883 · arxiv_version: 2502.00883v4 · doi: 10.48550/arxiv.2502.00883 · pith_short_12: I6ESPC2ATMX2 · pith_short_16: I6ESPC2ATMX2P5T3 · pith_short_8: I6ESPC2A

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/I6ESPC2ATMX2P5T3MAYBTMA2OX \
  | 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: 4789278b409b2fa7f67b603019b01a75c6b55ae3eb80549e50af9c50e0d08d4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "032d9c6ddcdaf67881cd6e690e8ace58e15406a93c334066551e7ccaef1a2bd8",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-02T19:25:41Z",
    "title_canon_sha256": "11f3c97cafb7647dfbbfafab1c8faf827e2f853c8b92a4ca62381f7e821e7053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.00883",
    "kind": "arxiv",
    "version": 4
  }
}