Pith Number

pith:4XPIADPH

pith:2025:4XPIADPHVG7MOA4DBHZH4IW6N3

not attested not anchored not stored refs pending

2D-Curri-DPO: Two-Dimensional Curriculum Learning for Direct Preference Optimization

Mengyang Li, Zhong Zhang

arxiv:2504.07856 v3 · 2025-04-10 · 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{4XPIADPHVG7MOA4DBHZH4IW6N3}

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

2 papers in Pith

Explaining and Breaking the Safety-Helpfulness Ceiling via Preference Dimensional Expansion

Receipt and verification

First computed	2026-07-05T11:44:47.659395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5de800de7a9bec7038309f27e22de6efe3994f11501fa34844f70218996e485

Aliases

arxiv: 2504.07856 · arxiv_version: 2504.07856v3 · doi: 10.48550/arxiv.2504.07856 · pith_short_12: 4XPIADPHVG7M · pith_short_16: 4XPIADPHVG7MOA4D · pith_short_8: 4XPIADPH

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/4XPIADPHVG7MOA4DBHZH4IW6N3 \
  | 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: e5de800de7a9bec7038309f27e22de6efe3994f11501fa34844f70218996e485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4270507560a4329935ab2ff6740e280b19d9d6b19ea57750dbe91eed149d1c53",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-04-10T15:32:00Z",
    "title_canon_sha256": "12c04a50f9d9ad7bddd82583df969420a0f0c4c69d88274c17d2e9ce1ef01881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.07856",
    "kind": "arxiv",
    "version": 3
  }
}