Pith Number

pith:CVIS4GHG

pith:2026:CVIS4GHG2G4QLYJDCIE5NQO3QA

not attested not anchored not stored refs pending

Frontis-MA1: Training an AI4AI Model towards Recursive Self-Improvement in Machine Learning Engineering

Bowen Zhou, Can Ren, Che Jiang, Dianqiao Lei, Ermo Hua, Guoli Jia, Hongyi Liu, Junlin Yang, Kaikai Zhao, Kai Tian, Kaiyan Zhang, Li Sheng, Ning Ding, Rushi Qiang, Tianwei Luo, Weizhi Wang, Xiaojian Lin, Xingtai Lv, Youbang Sun, Yuchen Fan, Yu Fu, Yuru Wang, Yuxin Zuo, Zhenzhao Yuan

arxiv:2607.28568 v1 · 2026-07-30 · cs.CL

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

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\usepackage{pith}
\pithnumber{CVIS4GHG2G4QLYJDCIE5NQO3QA}

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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.

Cited by

1 paper in Pith

Scaling Automatic Research Agents via World Models

Receipt and verification

First computed	2026-07-31T01:38:34.795523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

15512e18e6d1b905e1231209d6c1db80105acc5972b52fddbc30a60977cb0e01

Aliases

arxiv: 2607.28568 · arxiv_version: 2607.28568v1 · doi: 10.48550/arxiv.2607.28568 · pith_short_12: CVIS4GHG2G4Q · pith_short_16: CVIS4GHG2G4QLYJD · pith_short_8: CVIS4GHG

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/CVIS4GHG2G4QLYJDCIE5NQO3QA \
  | 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: 15512e18e6d1b905e1231209d6c1db80105acc5972b52fddbc30a60977cb0e01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f5d697420d10a2b42a441c598d0c0d5c47bb03f117b4ff9a7deb171ec8328ad",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-30T17:34:01Z",
    "title_canon_sha256": "e6029936a247729b67a562da9a8c1662b4f8d2629f4dfc4661918a4fc68b6b0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28568",
    "kind": "arxiv",
    "version": 1
  }
}