Pith Number

pith:63MPGZ4W

pith:2026:63MPGZ4WKDWYWUU7DH6IRCBSA2

not attested not anchored not stored refs pending

Lean Refactor: Multi-Objective Controllable Proof Optimization via Agentic Strategy Search

Jialin Lu, Kaiyu Yang, Rodrigo Stehling, Soonho Kong, Weiran Sun, Wuyang Chen, Zhangyang Wang

arxiv:2605.20244 v1 · 2026-05-18 · cs.LO · cs.AI · cs.CL · cs.LG · 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{63MPGZ4WKDWYWUU7DH6IRCBSA2}

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	2026-05-21T00:04:22.487731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d8f3679650ed8b529f19fc88883206a869c409020909e97fa2474ab1c3596e

Aliases

arxiv: 2605.20244 · arxiv_version: 2605.20244v1 · doi: 10.48550/arxiv.2605.20244 · pith_short_12: 63MPGZ4WKDWY · pith_short_16: 63MPGZ4WKDWYWUU7 · pith_short_8: 63MPGZ4W

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/63MPGZ4WKDWYWUU7DH6IRCBSA2 \
  | 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: f6d8f3679650ed8b529f19fc88883206a869c409020909e97fa2474ab1c3596e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b1ea9380a39ef3ae20067024d2746deef11d73c7dc347577c8d7757153e00ad",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-18T04:19:41Z",
    "title_canon_sha256": "8bc8e455518b7038c6bdec2db527cacba87442bf20cafd05bc01842d7caae255"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20244",
    "kind": "arxiv",
    "version": 1
  }
}