Pith Number

pith:HVL6X3YF

pith:2026:HVL6X3YFBVHQ7BT7MNVUPMLIPB

not attested not anchored not stored refs pending

Sparse Autoencoders are Capable LLM Jailbreak Mitigators

Arno Blaas, Jacopo Cortellazzi, Javier Abad, Pau Rodriguez, Xavier Suau, Yannick Assogba

arxiv:2602.12418 v2 · 2026-02-12 · cs.CR · cs.CL · 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{HVL6X3YFBVHQ7BT7MNVUPMLIPB}

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	2026-06-30T01:16:28.304857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d57ebef050d4f0f867f636b47b168784bcb7b4a78ad491d1956edee13cd6672

Aliases

arxiv: 2602.12418 · arxiv_version: 2602.12418v2 · doi: 10.48550/arxiv.2602.12418 · pith_short_12: HVL6X3YFBVHQ · pith_short_16: HVL6X3YFBVHQ7BT7 · pith_short_8: HVL6X3YF

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/HVL6X3YFBVHQ7BT7MNVUPMLIPB \
  | 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: 3d57ebef050d4f0f867f636b47b168784bcb7b4a78ad491d1956edee13cd6672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fde68b965a33163d13b16e170ff32a27bfaac2613f8f6699d95e4902fa9e6fc",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-02-12T21:17:32Z",
    "title_canon_sha256": "f9da5fe5a913d9fa36237ece97b4b63d4d513db81b2653805cba4fab69d2c472"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.12418",
    "kind": "arxiv",
    "version": 2
  }
}