Pith Number

pith:FYM2NAGG

pith:2025:FYM2NAGGVIDTANF6UJBSWR3RNR

not attested not anchored not stored refs pending

Principled Data Selection for Alignment: The Hidden Risks of Difficult Examples

Chengqian Gao, Haonan Li, Liu Liu, Peilin Zhao, Zeke Xie, Zhiqiang Xu

arxiv:2502.09650 v2 · 2025-02-11 · cs.CL · cs.AI · cs.LG

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\usepackage{pith}
\pithnumber{FYM2NAGGVIDTANF6UJBSWR3RNR}

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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

4 papers in Pith

The Hidden Bias of Process Reward Models:PRISM for Rewarding the Right Reasoning

Revisiting Robustness for LLM Safety Alignment via Selective Geometry Control

Difficulty-Based Preference Data Selection by DPO Implicit Reward Gap

DharmaOCR: Specialized Small Language Models for Structured OCR that outperform Open-Source and Commercial Baselines

Receipt and verification

First computed	2026-07-05T11:02:41.767228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e19a680c6aa073034bea2432b47716c7395fe00e51908cc6a7ffebe999f0b0b

Aliases

arxiv: 2502.09650 · arxiv_version: 2502.09650v2 · doi: 10.48550/arxiv.2502.09650 · pith_short_12: FYM2NAGGVIDT · pith_short_16: FYM2NAGGVIDTANF6 · pith_short_8: FYM2NAGG

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/FYM2NAGGVIDTANF6UJBSWR3RNR \
  | 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: 2e19a680c6aa073034bea2432b47716c7395fe00e51908cc6a7ffebe999f0b0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3670c56e4b86004dee33659c496ea243699bb071a7bc765c5d52d136be378aa9",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-11T17:01:11Z",
    "title_canon_sha256": "f59d679d92f89f77a36ce7e3bb7f3e80c520ef62f0ec84b76deb729a5b99c884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.09650",
    "kind": "arxiv",
    "version": 2
  }
}