Pith Number

pith:JKQTIZ3Q

pith:2026:JKQTIZ3QGYL2YA7K3CIJA65IQD

not attested not anchored not stored refs pending

DarwinX: Evolving Agent Harnesses Through Natural Selection

James Zhu, Juntao Tan, Luyu Yang, Phil Mui, Ran Xu, Rishi Mullur, Silvio Savarese, Thai Hoang, Yifan Zhang, Yutong Dai, Zeyuan Chen, Zhiyuan Hu

arxiv:2608.07545 v1 · 2026-07-31 · cs.NE · cs.AI · 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{JKQTIZ3QGYL2YA7K3CIJA65IQD}

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	2026-08-11T00:15:18.590246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aa13467703617ac03ead890907ba880d9143c40b1808355b969e7c036c4ebf8

Aliases

arxiv: 2608.07545 · arxiv_version: 2608.07545v1 · doi: 10.48550/arxiv.2608.07545 · pith_short_12: JKQTIZ3QGYL2 · pith_short_16: JKQTIZ3QGYL2YA7K · pith_short_8: JKQTIZ3Q

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/JKQTIZ3QGYL2YA7K3CIJA65IQD \
  | 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: 4aa13467703617ac03ead890907ba880d9143c40b1808355b969e7c036c4ebf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf039dfc23c2532b94209e7b3d8b00f149b1550a6e7fe20f62e2e90e34481dd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2026-07-31T05:34:02Z",
    "title_canon_sha256": "f8326947eac90a766ac42ffc7e1a448abe0287bb6670f6cd67f6d98855f7939b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07545",
    "kind": "arxiv",
    "version": 1
  }
}