Pith Number

pith:XLKV2DEZ

pith:2026:XLKV2DEZ2GBCWDXTLHYCJ4BFG4

not attested not anchored not stored refs pending

Mendel G\"odel Machine: Recursive Self-Improving Coding Agents via Comparative Evolution

Changzhi Liu, Sikuan Yan, Volker Tresp, Yilun Liu, Yunpu Ma

arxiv:2608.07645 v1 · 2026-08-07 · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLKV2DEZ2GBCWDXTLHYCJ4BFG4}

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	2026-08-11T00:15:34.020713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bad55d0c99d1822b0ef359f024f025370cfcbf079830a0c95ee48424dcd8b28d

Aliases

arxiv: 2608.07645 · arxiv_version: 2608.07645v1 · doi: 10.48550/arxiv.2608.07645 · pith_short_12: XLKV2DEZ2GBC · pith_short_16: XLKV2DEZ2GBCWDXT · pith_short_8: XLKV2DEZ

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/XLKV2DEZ2GBCWDXTLHYCJ4BFG4 \
  | 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: bad55d0c99d1822b0ef359f024f025370cfcbf079830a0c95ee48424dcd8b28d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a30dab607c1f274e228f49a2080ff270dd1f4107780cdfc4b44e2a0b7b946ba",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-08-07T16:46:44Z",
    "title_canon_sha256": "d3221764945193190ff67c0f1f2d66cbadb7ca925676ae4899a610d1cdb71af9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07645",
    "kind": "arxiv",
    "version": 1
  }
}