Pith Number

pith:C7A5BAAT

pith:2026:C7A5BAATK7T3W5TXWEXEO6I2T5

not attested not anchored not stored refs pending

CoSPlay: Cooperative Self-Play at Test-Time with Self-Generated Code and Unit Test

Chenhui Liu, Jiemin Wu, Jindong Li, Menglin Yang, Tian Huang, Yang Yang, Yutao Yue, Zhangyi Hu, Zining Zhong

arxiv:2605.23491 v1 · 2026-05-22 · cs.LG · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7A5BAATK7T3W5TXWEXEO6I2T5}

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	2026-05-25T02:01:57.570272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c1d0801357e7bb7677b12e47791a9f5751eb9da27d17d65c4ce5198dc15fb8

Aliases

arxiv: 2605.23491 · arxiv_version: 2605.23491v1 · doi: 10.48550/arxiv.2605.23491 · pith_short_12: C7A5BAATK7T3 · pith_short_16: C7A5BAATK7T3W5TX · pith_short_8: C7A5BAAT

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/C7A5BAATK7T3W5TXWEXEO6I2T5 \
  | 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: 17c1d0801357e7bb7677b12e47791a9f5751eb9da27d17d65c4ce5198dc15fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26b11a959f55a61e8c3d6f81076c981c27e3f52ebfa6e89f53642d371c6d65d3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-22T10:53:17Z",
    "title_canon_sha256": "aac1fb41902fbcd6b966c8369e330d96e679fcc49f4de625d5a312b3d39a1166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23491",
    "kind": "arxiv",
    "version": 1
  }
}