Pith Number

pith:UYDCPBGJ

pith:2026:UYDCPBGJKC5WCRPHPEXVVY5QTD

not attested not anchored not stored refs pending

Model Merging to Evolution: Parameter Space Exploration for Expert Models

Chao Wang, Guanchun Wang, Peng Wu, Qiqi Duan, Yanbiao Ma, Yuchen Guo, Zheng Tan

arxiv:2606.28373 v1 · 2026-06-17 · cs.NE · 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{UYDCPBGJKC5WCRPHPEXVVY5QTD}

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	2026-06-30T00:15:12.300753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6062784c950bb6145e7792f5ae3b098e8bd65d949d044a07a1fc59e0636e916

Aliases

arxiv: 2606.28373 · arxiv_version: 2606.28373v1 · doi: 10.48550/arxiv.2606.28373 · pith_short_12: UYDCPBGJKC5W · pith_short_16: UYDCPBGJKC5WCRPH · pith_short_8: UYDCPBGJ

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/UYDCPBGJKC5WCRPHPEXVVY5QTD \
  | 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: a6062784c950bb6145e7792f5ae3b098e8bd65d949d044a07a1fc59e0636e916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "201326220e0b009b0b2de20c8bcb4f2f5d67eaca61373b2cd87aab4b17de653e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2026-06-17T12:39:10Z",
    "title_canon_sha256": "69c432dbe603a7582dd38d4d0d048fe10e743fd7dc13fd13914b3a48c6df488c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28373",
    "kind": "arxiv",
    "version": 1
  }
}