Pith Number

pith:UPWYUI3Q

pith:2025:UPWYUI3QWAAIJTYNCH7ZZBEUKJ

not attested not anchored not stored refs pending

FuseRL: Dense Preference Optimization for Heterogeneous Model Fusion

Fanqi Wan, Guosheng Liang, Longguang Zhong, Tianyuan Shi, Xiaojun Quan, Ziyi Yang

arxiv:2504.06562 v2 · 2025-04-09 · 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{UPWYUI3QWAAIJTYNCH7ZZBEUKJ}

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	2026-07-05T10:50:12.649647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ed8a2370b00084cf0d11ff9c84945262a6c81eb264d4e322772ecd68345ba2

Aliases

arxiv: 2504.06562 · arxiv_version: 2504.06562v2 · doi: 10.48550/arxiv.2504.06562 · pith_short_12: UPWYUI3QWAAI · pith_short_16: UPWYUI3QWAAIJTYN · pith_short_8: UPWYUI3Q

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/UPWYUI3QWAAIJTYNCH7ZZBEUKJ \
  | 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: a3ed8a2370b00084cf0d11ff9c84945262a6c81eb264d4e322772ecd68345ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de436cec54f60b81a4b2734bebe99260da460a7edee19bb501b28a8b99cd28c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-09T03:51:53Z",
    "title_canon_sha256": "ad316090d7113ffc7a56f59e44717aa997e894578386a147789d8eceb4f730ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06562",
    "kind": "arxiv",
    "version": 2
  }
}