Pith Number

pith:4UB7L3ZC

pith:2026:4UB7L3ZC7IPNQVJGSIWYZNQ55F

not attested not anchored not stored refs pending

OptiLoop: Coordination-in-the-Loop Verification and Repair for LLM-Generated Optimization Agents

Thi Dinh, Yujia Xu, Zhiheng Wang

arxiv:2605.27630 v1 · 2026-05-26 · math.OC · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UB7L3ZC7IPNQVJGSIWYZNQ55F}

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	2026-05-28T01:04:44.764101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e503f5ef22fa1ed85526922d8cb61de97f3a06b2a70f3b3c0203817391f9f5b1

Aliases

arxiv: 2605.27630 · arxiv_version: 2605.27630v1 · doi: 10.48550/arxiv.2605.27630 · pith_short_12: 4UB7L3ZC7IPN · pith_short_16: 4UB7L3ZC7IPNQVJG · pith_short_8: 4UB7L3ZC

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/4UB7L3ZC7IPNQVJGSIWYZNQ55F \
  | 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: e503f5ef22fa1ed85526922d8cb61de97f3a06b2a70f3b3c0203817391f9f5b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a46f8993ff75303577d5d619961cc1311760afae902daac6a5217601709a5c39",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-26T19:49:41Z",
    "title_canon_sha256": "7a4129cf0ed7460f168d2c9a3e06374e588d1ae96fe2473319b06518550b6f85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27630",
    "kind": "arxiv",
    "version": 1
  }
}