Pith Number

pith:LOWOSRWI

pith:2026:LOWOSRWIWFZ6MIN6KC4RBL3HDS

not attested not anchored not stored refs pending

Size Doesn't Matter: Cosine-Scored Sparse Autoencoders

Lev Stambler, Silen Naihin

arxiv:2606.15054 v2 · 2026-06-13 · 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{LOWOSRWIWFZ6MIN6KC4RBL3HDS}

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	2026-07-01T00:17:12.043985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bace946c8b173e621be50b910af671ca35efacf646ef28d35665c4cd0dad5cf

Aliases

arxiv: 2606.15054 · arxiv_version: 2606.15054v2 · doi: 10.48550/arxiv.2606.15054 · pith_short_12: LOWOSRWIWFZ6 · pith_short_16: LOWOSRWIWFZ6MIN6 · pith_short_8: LOWOSRWI

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/LOWOSRWIWFZ6MIN6KC4RBL3HDS \
  | 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: 5bace946c8b173e621be50b910af671ca35efacf646ef28d35665c4cd0dad5cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06b0107fb56ca24b3e08259ebab7a0eef81ac38c5fe6105d1ff6c4f179fc4ac6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-13T01:51:05Z",
    "title_canon_sha256": "b89d40d9ded6243432c53c62fe5b9bc29749d17f9bec2034b6378894662bdf89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.15054",
    "kind": "arxiv",
    "version": 2
  }
}