Pith Number

pith:XR4TXNMR

pith:2025:XR4TXNMRKNTPKA57DFRSKOIOVA

not attested not anchored not stored refs pending

Analyzing Hierarchical Structure in Vision Models with Sparse Autoencoders

Changbai Li, Matthew Lyle Olson, Musashi Hinck, Neale Ratzlaff, Phillip Howard, Shao-Yen Tseng, Vasudev Lal

arxiv:2505.15970 v1 · 2025-05-21 · 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{XR4TXNMRKNTPKA57DFRSKOIOVA}

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	2026-07-05T11:07:27.904235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc793bb5915366f503bf196325390ea81e68e8013fb4adf61b448699717b9ea1

Aliases

arxiv: 2505.15970 · arxiv_version: 2505.15970v1 · doi: 10.48550/arxiv.2505.15970 · pith_short_12: XR4TXNMRKNTP · pith_short_16: XR4TXNMRKNTPKA57 · pith_short_8: XR4TXNMR

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/XR4TXNMRKNTPKA57DFRSKOIOVA \
  | 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: bc793bb5915366f503bf196325390ea81e68e8013fb4adf61b448699717b9ea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89acfd1127d0da02576f268c9482061db5616cf7b2e534fff8d66918073af759",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-21T19:38:48Z",
    "title_canon_sha256": "ddb0f28461ba8ecaa2f572140ed02dc25a135e1a35f68eaa72892a75009f1e96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.15970",
    "kind": "arxiv",
    "version": 1
  }
}