Pith Number

pith:VO5FYNJN

pith:2025:VO5FYNJN2GGPC2MNXBJFE6KXKH

not attested not anchored not stored refs pending

Do Sparse Autoencoders Generalize? A Case Study of Answerability

Fazl Barez, Lovis Heindrich, Philip Torr, Veronika Thost

arxiv:2502.19964 v2 · 2025-02-27 · 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{VO5FYNJN2GGPC2MNXBJFE6KXKH}

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

1 paper in Pith

Toy Combinatorial Interpretability Models Reveal Lottery Tickets in Early Feature Space

Receipt and verification

First computed	2026-07-05T12:05:14.048404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abba5c352dd18cf1698db85252795751c4f94352952563b1940832b4622cb37f

Aliases

arxiv: 2502.19964 · arxiv_version: 2502.19964v2 · doi: 10.48550/arxiv.2502.19964 · pith_short_12: VO5FYNJN2GGP · pith_short_16: VO5FYNJN2GGPC2MN · pith_short_8: VO5FYNJN

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/VO5FYNJN2GGPC2MNXBJFE6KXKH \
  | 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: abba5c352dd18cf1698db85252795751c4f94352952563b1940832b4622cb37f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b62428c1e5fc91cba5fc48b37cea89a74065f7481351d9719a406430634487b9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-27T10:45:25Z",
    "title_canon_sha256": "0d8ed54ad761a5580f22b8d424a849a5d86bebd178ca3af3e67cac5507767e06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.19964",
    "kind": "arxiv",
    "version": 2
  }
}