Pith Number

pith:75UUPW26

pith:2025:75UUPW26FACR4ADH7TCBTJXLZF

not attested not anchored not stored refs pending

Sparse Autoencoders for Hypothesis Generation

Emma Pierson, Jon Kleinberg, Kenny Peng, Nikhil Garg, Rajiv Movva

arxiv:2502.04382 v3 · 2025-02-05 · cs.CL · cs.AI · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75UUPW26FACR4ADH7TCBTJXLZF}

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.

Cited by

5 papers in Pith

Localizing RL-Induced Tool Use to a Single Crosscoder Feature

VFUSE: Virulent Feature Understanding with Sparse autoEncoders

Position: Behavioural Assurance Cannot Verify the Safety Claims Governance Now Demands

Steered Generation via Gradient-Based Optimization on Sparse Query Features

Making Interpretable Discoveries from Unstructured Data: A High-Dimensional Multiple Hypothesis Testing Approach

Receipt and verification

First computed	2026-07-05T11:17:40.944079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff6947db5e28051e0067fcc419a6ebc952488f5debac262c1411a3670affac38

Aliases

arxiv: 2502.04382 · arxiv_version: 2502.04382v3 · doi: 10.48550/arxiv.2502.04382 · pith_short_12: 75UUPW26FACR · pith_short_16: 75UUPW26FACR4ADH · pith_short_8: 75UUPW26

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/75UUPW26FACR4ADH7TCBTJXLZF \
  | 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: ff6947db5e28051e0067fcc419a6ebc952488f5debac262c1411a3670affac38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96624b45d11753140e1d0983ad687a36a0db79171cc76d9b790d82b4759c2f73",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-05T18:58:02Z",
    "title_canon_sha256": "08b3d7064a2ddbbb54e5ab1d60e074039749ece3718f04f1e71f7160ffc4846a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04382",
    "kind": "arxiv",
    "version": 3
  }
}