Pith Number

pith:D7PZPQKJ

pith:2026:D7PZPQKJQM4X73VXPJVISRJ7C5

not attested not anchored not stored refs pending

Stable and Steerable Sparse Autoencoders with Weight Regularization

Oliver M. Crook, Piotr Jedryszek

arxiv:2603.04198 v2 · 2026-03-04 · stat.ML · 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{D7PZPQKJQM4X73VXPJVISRJ7C5}

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	2026-06-19T16:10:36.213124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fdf97c14983397feeb77a6a89453f175b2feda1b46697093df366f08ab43660

Aliases

arxiv: 2603.04198 · arxiv_version: 2603.04198v2 · doi: 10.48550/arxiv.2603.04198 · pith_short_12: D7PZPQKJQM4X · pith_short_16: D7PZPQKJQM4X73VX · pith_short_8: D7PZPQKJ

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/D7PZPQKJQM4X73VXPJVISRJ7C5 \
  | 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: 1fdf97c14983397feeb77a6a89453f175b2feda1b46697093df366f08ab43660

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a72b8ad555a29a0d57c631b5fcb60d2c723496a2865151813293f8a47d402866",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2026-03-04T15:46:23Z",
    "title_canon_sha256": "8a1df9e08fd141c7e5936ec03ca4688a60a6e405bc58c44cf41b39da1218a33e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.04198",
    "kind": "arxiv",
    "version": 2
  }
}