Pith Number

pith:RUA3FFJK

pith:2026:RUA3FFJKXCNKPO6VSRO6ZCU7UX

not attested not anchored not stored refs pending

CODE-SHARP: Continuous Open-ended Discovery and Evolution of Skills as Hierarchical Reward Programs

Antoine Cully, Pierluigi Vito Amadori, Richard Bornemann

arxiv:2602.10085 v3 · 2026-02-10 · 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{RUA3FFJKXCNKPO6VSRO6ZCU7UX}

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	2026-05-22T01:03:57.148347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d01b2952ab89aa7bbd5945dec8a9fa5e50df9c5ddbaf8e3318562bb1ff31be7

Aliases

arxiv: 2602.10085 · arxiv_version: 2602.10085v3 · doi: 10.48550/arxiv.2602.10085 · pith_short_12: RUA3FFJKXCNK · pith_short_16: RUA3FFJKXCNKPO6V · pith_short_8: RUA3FFJK

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/RUA3FFJKXCNKPO6VSRO6ZCU7UX \
  | 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: 8d01b2952ab89aa7bbd5945dec8a9fa5e50df9c5ddbaf8e3318562bb1ff31be7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa4593ed408e2781ffe8fa39c74357bd0a353ca59f84e731affcd7fb64df4fd0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-02-10T18:51:39Z",
    "title_canon_sha256": "7cdb6d015161a2f56b95623749ee294b879511c5f9e3f209b8aeac9e593c0c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.10085",
    "kind": "arxiv",
    "version": 3
  }
}