Pith Number

pith:45BMV5WI

pith:2026:45BMV5WIHHLC5AXUUSS4UZLHOB

not attested not anchored not stored refs pending

Recursive Self-Evolving Agents via Held-Out Selection

Michael Nguyen, Paul Vuong, Quoc Nguyen

arxiv:2606.28374 v1 · 2026-06-17 · 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{45BMV5WIHHLC5AXUUSS4UZLHOB}

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	2026-06-30T00:15:12.322231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e742caf6c839d62e82f4a4a5ca6567707b6b13862b1b861ecf48919470685b6e

Aliases

arxiv: 2606.28374 · arxiv_version: 2606.28374v1 · doi: 10.48550/arxiv.2606.28374 · pith_short_12: 45BMV5WIHHLC · pith_short_16: 45BMV5WIHHLC5AXU · pith_short_8: 45BMV5WI

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/45BMV5WIHHLC5AXUUSS4UZLHOB \
  | 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: e742caf6c839d62e82f4a4a5ca6567707b6b13862b1b861ecf48919470685b6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18e83d3768a4eb4c3b293a8746a643adda72d6a1c17f0ee607994a3821b9fbe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-17T14:53:36Z",
    "title_canon_sha256": "364075c6f789deaabe5b15e6a3414d4f24150061c810ca7af63443f03bcf95ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28374",
    "kind": "arxiv",
    "version": 1
  }
}