Pith Number

pith:44HEIP6H

pith:2026:44HEIP6H6IRUNCSS2F4THWFOHD

not attested not anchored not stored refs pending

BioRefusalAudit: Auditing Biosecurity Refusal Depth Using General and Domain-Fine-Tuned Sparse Autoencoders

Caleb DeLeeuw

arxiv:2605.30162 v1 · 2026-05-28 · cs.AI · cs.CR · 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{44HEIP6H6IRUNCSS2F4THWFOHD}

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	2026-05-29T02:06:11.442153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e70e443fc7f223468a52d17933d8ae38c1f4109942406f14d4962ce0fc1f8068

Aliases

arxiv: 2605.30162 · arxiv_version: 2605.30162v1 · doi: 10.48550/arxiv.2605.30162 · pith_short_12: 44HEIP6H6IRU · pith_short_16: 44HEIP6H6IRUNCSS · pith_short_8: 44HEIP6H

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/44HEIP6H6IRUNCSS2F4THWFOHD \
  | 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: e70e443fc7f223468a52d17933d8ae38c1f4109942406f14d4962ce0fc1f8068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a94f677f02fb33aa4fdd875117617664b2a4caec6181cfc36c3befaabf89efa7",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-28T16:18:07Z",
    "title_canon_sha256": "289a2b8101c4ecc460f22eb18690a494b4a2dc039687e06bde148872fe253972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.30162",
    "kind": "arxiv",
    "version": 1
  }
}