Pith Number

pith:M4ZCIMTO

pith:2026:M4ZCIMTOEYJT6GSEBA6FLVY3ZJ

not attested not anchored not stored refs pending

Cheap Reward Hacking Detection

Iv\'an Belenky, Joaqu\'in Itria, Steven Johns

arxiv:2606.08893 v1 · 2026-06-08 · cs.LG · cs.AI · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4ZCIMTOEYJT6GSEBA6FLVY3ZJ}

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	2026-06-09T02:07:45.655852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

673224326e26133f1a44083c55d71bca7f86832afe205b797249ef50fe83b467

Aliases

arxiv: 2606.08893 · arxiv_version: 2606.08893v1 · doi: 10.48550/arxiv.2606.08893 · pith_short_12: M4ZCIMTOEYJT · pith_short_16: M4ZCIMTOEYJT6GSE · pith_short_8: M4ZCIMTO

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/M4ZCIMTOEYJT6GSEBA6FLVY3ZJ \
  | 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: 673224326e26133f1a44083c55d71bca7f86832afe205b797249ef50fe83b467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "576f9b213aa6a9fcc2bcdc82f786a92707af58bbc64a6fc42620e337fd963a02",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-08T00:35:54Z",
    "title_canon_sha256": "6597ce8a4bea34fb770c04b01bd61d948464f00203abb3b7d5ce93b7070ed65d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.08893",
    "kind": "arxiv",
    "version": 1
  }
}