Pith Number

pith:VQNMFQ6A

pith:2025:VQNMFQ6AMLSXEZ7MVMNKZT356O

not attested not anchored not stored refs pending

Sparse Autoencoders are Topic Models

Leander Girrbach, Zeynep Akata

arxiv:2511.16309 v2 · 2025-11-20 · cs.CV · 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{VQNMFQ6AMLSXEZ7MVMNKZT356O}

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	2026-05-20T00:04:17.558757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac1ac2c3c062e57267ecab1aaccf7df3928d90aa50772ab35230d1fc5702f69b

Aliases

arxiv: 2511.16309 · arxiv_version: 2511.16309v2 · doi: 10.48550/arxiv.2511.16309 · pith_short_12: VQNMFQ6AMLSX · pith_short_16: VQNMFQ6AMLSXEZ7M · pith_short_8: VQNMFQ6A

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/VQNMFQ6AMLSXEZ7MVMNKZT356O \
  | 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: ac1ac2c3c062e57267ecab1aaccf7df3928d90aa50772ab35230d1fc5702f69b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c805adf1dc522d2110f058776bd322493c0afb33b17d7519c8e928689b145017",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-11-20T12:37:54Z",
    "title_canon_sha256": "b81fa04cf4346eb3945e90691ad49d162a073575b4fa9ae4af1f3bba9036c7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.16309",
    "kind": "arxiv",
    "version": 2
  }
}