Pith Number

pith:AAL3TGYG

pith:2026:AAL3TGYGJ67GUGP3GBQCT37XHY

not attested not anchored not stored refs pending

Check Your LLM's Secret Dictionary! Five Lines of Code Reveal What Your LLM Learned (Including What It Shouldn't Have)

Hisashi Miyashita

arxiv:2605.22005 v1 · 2026-05-21 · cs.LG · 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{AAL3TGYGJ67GUGP3GBQCT37XHY}

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	2026-05-22T01:04:20.036683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0017b99b064fbe6a19fb306029eff73e1d470b3835f8e0befb836b1f3d200d42

Aliases

arxiv: 2605.22005 · arxiv_version: 2605.22005v1 · doi: 10.48550/arxiv.2605.22005 · pith_short_12: AAL3TGYGJ67G · pith_short_16: AAL3TGYGJ67GUGP3 · pith_short_8: AAL3TGYG

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/AAL3TGYGJ67GUGP3GBQCT37XHY \
  | 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: 0017b99b064fbe6a19fb306029eff73e1d470b3835f8e0befb836b1f3d200d42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2fd328238ba46a4663ec17642521a897116180df73e8322b13d7cfb5b14c708",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-21T05:02:51Z",
    "title_canon_sha256": "7a8bc519d89a91e14e9b67d12b1c278469220ace1e586254392c9d3f628a8913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22005",
    "kind": "arxiv",
    "version": 1
  }
}