Pith Number

pith:6HFYAO3D

pith:2025:6HFYAO3DBBG6GD3HPHD6F6J5V7

not attested not anchored not stored refs pending

MidPO: Dual Preference Optimization for Safety and Helpfulness in Large Language Models via a Mixture of Experts Framework

Lixin Cui, Lu Bai, Min Yang, Yanlin Wang, Yupeng Qi, Ziyu Lyu

arxiv:2506.02460 v1 · 2025-06-03 · 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{6HFYAO3DBBG6GD3HPHD6F6J5V7}

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	2026-07-05T11:15:02.373579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1cb803b63084de30f6779c7e2f93dafcd8f79d4cb1c1e256cbe2019f1b901e5

Aliases

arxiv: 2506.02460 · arxiv_version: 2506.02460v1 · doi: 10.48550/arxiv.2506.02460 · pith_short_12: 6HFYAO3DBBG6 · pith_short_16: 6HFYAO3DBBG6GD3H · pith_short_8: 6HFYAO3D

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/6HFYAO3DBBG6GD3HPHD6F6J5V7 \
  | 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: f1cb803b63084de30f6779c7e2f93dafcd8f79d4cb1c1e256cbe2019f1b901e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b0fbcf865b52ab9bfc8605bce205434a0d2a6a9d6bec9ec191ccdc4c6727217",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-06-03T05:23:09Z",
    "title_canon_sha256": "7ee10ed983c660502566027e8fef6e22f2411e18d113a42c68cd89a3dc7464e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02460",
    "kind": "arxiv",
    "version": 1
  }
}