Pith Number

pith:RGDL2XFX

pith:2026:RGDL2XFXD366VTPSOPKZNUZEEN

not attested not anchored not stored refs pending

Generalization or Memorization? Brittleness Testing for Chess-Trained Language Models

Ethan Tang

arxiv:2605.17565 v1 · 2026-05-17 · 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{RGDL2XFXD366VTPSOPKZNUZEEN}

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	2026-05-20T00:04:46.228286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8986bd5cb71efdeacdf273d596d3242348e1d2507716b829adea11b71a4bc207

Aliases

arxiv: 2605.17565 · arxiv_version: 2605.17565v1 · doi: 10.48550/arxiv.2605.17565 · pith_short_12: RGDL2XFXD366 · pith_short_16: RGDL2XFXD366VTPS · pith_short_8: RGDL2XFX

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/RGDL2XFXD366VTPSOPKZNUZEEN \
  | 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: 8986bd5cb71efdeacdf273d596d3242348e1d2507716b829adea11b71a4bc207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178cd2060633e831bd02328511c6722c727967e4dbd8031010b32dd5994eaf68",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-17T17:49:07Z",
    "title_canon_sha256": "e2120521c2e9ae103c1c51d05a6f28f95510e7f5fc756ec83a8739c1a12587f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17565",
    "kind": "arxiv",
    "version": 1
  }
}