Pith Number

pith:2VX4IERK

pith:2025:2VX4IERKHRE2QEPTRB24XOZUH3

not attested not anchored not stored refs pending

Reverse Preference Optimization for Complex Instruction Following

Fei Huang, Feiteng Fang, Hangyu Li, Ting-En Lin, Xiang Huang, Yongbin Li, Yuchuan Wu, Yuzhong Qu

arxiv:2505.22172 v1 · 2025-05-28 · 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{2VX4IERKHRE2QEPTRB24XOZUH3}

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	2026-07-05T11:11:10.912352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d56fc4122a3c49a811f38875cbbb343ee0499641b513216b85526170cffbf47c

Aliases

arxiv: 2505.22172 · arxiv_version: 2505.22172v1 · doi: 10.48550/arxiv.2505.22172 · pith_short_12: 2VX4IERKHRE2 · pith_short_16: 2VX4IERKHRE2QEPT · pith_short_8: 2VX4IERK

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/2VX4IERKHRE2QEPTRB24XOZUH3 \
  | 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: d56fc4122a3c49a811f38875cbbb343ee0499641b513216b85526170cffbf47c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bd63fa9810c4110315bbc8fa81728217b64a7930e5596b024510973f7a2b025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-05-28T09:44:27Z",
    "title_canon_sha256": "6a2f7ad8feff08d8d94cbb940779a890207dd5f886580aa805dac2e9338dae08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22172",
    "kind": "arxiv",
    "version": 1
  }
}