Pith Number

pith:NZ3ZUXOS

pith:2026:NZ3ZUXOS6KDXJ5JDWZX74Z4WXP

not attested not anchored not stored refs pending

CRaFT: Circuit-Guided Refusal Feature Selection via Cross-Layer Transcoders

Hyundong Jin, Su-Hyeon Kim, Yejin Lee, Yo-Sub Han

arxiv:2604.01604 v2 · 2026-04-02 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZ3ZUXOS6KDXJ5JDWZX74Z4WXP}

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	2026-05-28T01:04:39.301381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e779a5dd2f28774f523b66ffe6796bbd70c53e5a398c9172af2216f32fd1084

Aliases

arxiv: 2604.01604 · arxiv_version: 2604.01604v2 · doi: 10.48550/arxiv.2604.01604 · pith_short_12: NZ3ZUXOS6KDX · pith_short_16: NZ3ZUXOS6KDXJ5JD · pith_short_8: NZ3ZUXOS

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/NZ3ZUXOS6KDXJ5JDWZX74Z4WXP \
  | 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: 6e779a5dd2f28774f523b66ffe6796bbd70c53e5a398c9172af2216f32fd1084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "637e7802656323d90f74ea8cf1783cbe3d2e1fd960fc4e2a264416acbb3ac71c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-04-02T04:28:11Z",
    "title_canon_sha256": "45d17b11646f671d7c6e7bd81a30930871ba7d5b351cb06a4cbe89ccc0b701b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.01604",
    "kind": "arxiv",
    "version": 2
  }
}