Pith Number

pith:XG557LSS

pith:2025:XG557LSSFBUUIOHOX2CNDQQJHT

not attested not anchored not stored refs pending

Surrogate Benchmarks for Model Merging Optimization

Kento Uchida, Nozomu Yoshinari, Rio Akizuki, Shinichi Shirakawa, Toshiyuki Nishimoto, Yoichi Hirose, Yuya Kudo

arxiv:2509.02555 v2 · 2025-09-02 · cs.LG · cs.AI · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XG557LSSFBUUIOHOX2CNDQQJHT}

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	2026-06-19T16:11:12.687327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9bbdfae5228694438eebe84d1c2093cf31de00421da836bdfa378f017435007

Aliases

arxiv: 2509.02555 · arxiv_version: 2509.02555v2 · doi: 10.48550/arxiv.2509.02555 · pith_short_12: XG557LSSFBUU · pith_short_16: XG557LSSFBUUIOHO · pith_short_8: XG557LSS

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/XG557LSSFBUUIOHOX2CNDQQJHT \
  | 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: b9bbdfae5228694438eebe84d1c2093cf31de00421da836bdfa378f017435007

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65c17734d2c67a07b47696ce3cb6090ab1eff6223b88d6e11488d3164005ad0e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-02T17:51:03Z",
    "title_canon_sha256": "da6e8832ab4a80a59d3e7cc71495ccf3d1534fd8a7c042238e9b81552db5bc45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02555",
    "kind": "arxiv",
    "version": 2
  }
}