Pith Number

pith:BQF3XB6N

pith:2025:BQF3XB6NRAPDGNT4VACNJWIWLA

not attested not anchored not stored refs pending

Sparse Autoencoders Trained on the Same Data Learn Different Features

Gon\c{c}alo Paulo, Nora Belrose

arxiv:2501.16615 v2 · 2025-01-28 · cs.LG

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQF3XB6NRAPDGNT4VACNJWIWLA}

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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.

Cited by

14 papers in Pith

Perplexity Can Miss SAE Feature Damage Under Quantization

Sign-Aware Gated Sparse Autoencoders: Modeling Anticorrelated Features with Bi-Jump-ReLU Activations

Unstable Features, Reproducible Subspaces: Understanding Seed Dependence in Sparse Autoencoders

At the Edge of Understanding: Sparse Autoencoders Trace The Limits of Transformer Generalization

Graph-Regularized Sparse Autoencoders for LLM Safety Steering

Receipt and verification

First computed	2026-07-05T10:07:02.939249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c0bbb87cd881e33367ca804d4d916582dee8797d8fe0ce83723158e13cf94a0

Aliases

arxiv: 2501.16615 · arxiv_version: 2501.16615v2 · doi: 10.48550/arxiv.2501.16615 · pith_short_12: BQF3XB6NRAPD · pith_short_16: BQF3XB6NRAPDGNT4 · pith_short_8: BQF3XB6N

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/BQF3XB6NRAPDGNT4VACNJWIWLA \
  | 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: 0c0bbb87cd881e33367ca804d4d916582dee8797d8fe0ce83723158e13cf94a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38079006b9df45a931db774508425daf59476ee24ede8c1b09c66a707a909188",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-01-28T01:24:16Z",
    "title_canon_sha256": "e10e36fcd5b5af996d3085a3c9060f7c4fbb1e02e3d8eb4c242d7f343e564c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16615",
    "kind": "arxiv",
    "version": 2
  }
}