Pith Number

pith:TSBDFYXP

pith:2026:TSBDFYXPJJRBRIB2DXJ5N3UNHL

not attested not anchored not stored refs pending

Overcoming the Weakest-Link Effect in LLM-Driven Program Optimization via Heterogeneous Edit Recombination

He Zhang, Jingwen Fu, Nanning Zheng, Yuhan Liu, Zhen Liu

arxiv:2607.28947 v1 · 2026-07-31 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSBDFYXPJJRBRIB2DXJ5N3UNHL}

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	2026-08-03T01:17:32.866932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c8232e2ef4a6218a03a1dd3d6ee8d3ac84f8ad3c38de2f70f6f9720e396cae7

Aliases

arxiv: 2607.28947 · arxiv_version: 2607.28947v1 · doi: 10.48550/arxiv.2607.28947 · pith_short_12: TSBDFYXPJJRB · pith_short_16: TSBDFYXPJJRBRIB2 · pith_short_8: TSBDFYXP

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/TSBDFYXPJJRBRIB2DXJ5N3UNHL \
  | 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: 9c8232e2ef4a6218a03a1dd3d6ee8d3ac84f8ad3c38de2f70f6f9720e396cae7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da09a1cf8d112c8b2f2248b4e6ad3fa2796c8998b315833d56cc67c2823f84c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-31T02:05:45Z",
    "title_canon_sha256": "a1fad3a6234aae1386eba0f5e6b0d7e95c2ff80c39d80f01b1069421765b5369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28947",
    "kind": "arxiv",
    "version": 1
  }
}