Pith Number

pith:CZKZ5SIS

pith:2026:CZKZ5SISW6QMNVXOTHL4VT2UYW

not attested not anchored not stored refs pending

The Expert Strikes Back: Interpreting Mixture-of-Experts Language Models at Expert Level

Jae Hee Lee, Jeremy Herbst, Stefan Wermter

arxiv:2604.02178 v2 · 2026-04-02 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CZKZ5SISW6QMNVXOTHL4VT2UYW}

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	2026-05-20T00:02:11.022808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16559ec912b7a0c6d6ee99d7cacf54c5b79f5debd8bc15792418483e08506a9b

Aliases

arxiv: 2604.02178 · arxiv_version: 2604.02178v2 · doi: 10.48550/arxiv.2604.02178 · pith_short_12: CZKZ5SISW6QM · pith_short_16: CZKZ5SISW6QMNVXO · pith_short_8: CZKZ5SIS

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/CZKZ5SISW6QMNVXOTHL4VT2UYW \
  | 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: 16559ec912b7a0c6d6ee99d7cacf54c5b79f5debd8bc15792418483e08506a9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa2d3bd1175b9d4b9b82e10a4c183fec2d90402ab5d92abae013c4ea48d083d1",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-04-02T15:41:24Z",
    "title_canon_sha256": "fe3d1e175e9bdaa84065844456314401398c71d47bb1fd0d9e2f059729563aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.02178",
    "kind": "arxiv",
    "version": 2
  }
}