Pith Number

pith:MGIHMTZU

pith:2026:MGIHMTZUJF2M3VUEY5UZMFVTWK

not attested not anchored not stored refs pending

OPTScientist: Multi-Agent Discovery of Typed Optimizer Programs for Transformer Pretraining

Qingsong Ran, Shikun Feng, Tiancan Feng, Wenhao Li, Xiaoguang Zhao, Xiaoyuan Zhang, Yue Wang, Zhongzheng Li

arxiv:2607.20486 v1 · 2026-06-02 · 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{MGIHMTZUJF2M3VUEY5UZMFVTWK}

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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	2026-07-24T00:23:18.299834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6190764f344974cdd684c7699616b3b29f3df6619bf137036d4a72ebf0c93675

Aliases

arxiv: 2607.20486 · arxiv_version: 2607.20486v1 · doi: 10.48550/arxiv.2607.20486 · pith_short_12: MGIHMTZUJF2M · pith_short_16: MGIHMTZUJF2M3VUE · pith_short_8: MGIHMTZU

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/MGIHMTZUJF2M3VUEY5UZMFVTWK \
  | 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: 6190764f344974cdd684c7699616b3b29f3df6619bf137036d4a72ebf0c93675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0534905fb98ac43c02b05d7a77f6c62c0b88475110ce09486388d6b7c235460",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-02T15:21:53Z",
    "title_canon_sha256": "ee810a44fa0dacadb1c9fdb98830811cff9450e5973363f0abcf79e2bab8d8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.20486",
    "kind": "arxiv",
    "version": 1
  }
}