Pith Number

pith:QD4W5HAF

pith:2026:QD4W5HAFA5UNVPJS3PZXHVQWSV

not attested not anchored not stored refs pending

TO-Master: an LLM-agent framework for automated topology optimization

Haoju Lin, Tianju Xue, Tian Xu, Weipeng Xu, Wenchang Zhang, Xiang Li

arxiv:2607.01812 v1 · 2026-07-02 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QD4W5HAFA5UNVPJS3PZXHVQWSV}

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	2026-07-03T01:17:30.560255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f96e9c050768dabd32dbf373d6169542106ceca7f1532a9f94140a59785525

Aliases

arxiv: 2607.01812 · arxiv_version: 2607.01812v1 · doi: 10.48550/arxiv.2607.01812 · pith_short_12: QD4W5HAFA5UN · pith_short_16: QD4W5HAFA5UNVPJS · pith_short_8: QD4W5HAF

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/QD4W5HAFA5UNVPJS3PZXHVQWSV \
  | 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: 80f96e9c050768dabd32dbf373d6169542106ceca7f1532a9f94140a59785525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4b6a754f04bc4e8af5f52cfae3f161cdf601ec086745a274e3accb0b0a4337b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-07-02T07:25:22Z",
    "title_canon_sha256": "b792c6ae059d1b8f89a9d88de9a4cc9fd0e14eea19c2cfe987e847540703149f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01812",
    "kind": "arxiv",
    "version": 1
  }
}