Pith Number

pith:MCS5TTIR

pith:2026:MCS5TTIROUULWTC7CEPNJX5OCU

not attested not anchored not stored refs pending

$C$-$\Delta\Theta$: Circuit-Restricted Weight Arithmetic for Selective Refusal

Aditya Kasliwal, Pratinav Seth, Vinay Kumar Sankarapu

arxiv:2602.04521 v2 · 2026-02-04 · cs.CL · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCS5TTIROUULWTC7CEPNJX5OCU}

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

2 papers in Pith

Faithfulness to Refusal: A Causal Audit of Neuron Selectors

Forgetting That Sticks: Quantization-Permanent Unlearning via Circuit Attribution

Receipt and verification

First computed	2026-07-09T01:20:35.358755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60a5d9cd117528bb4c5f111ed4dfae1500d14137945743b58b2a5d2aef77c1b6

Aliases

arxiv: 2602.04521 · arxiv_version: 2602.04521v2 · doi: 10.48550/arxiv.2602.04521 · pith_short_12: MCS5TTIROUUL · pith_short_16: MCS5TTIROUULWTC7 · pith_short_8: MCS5TTIR

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/MCS5TTIROUULWTC7CEPNJX5OCU \
  | 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: 60a5d9cd117528bb4c5f111ed4dfae1500d14137945743b58b2a5d2aef77c1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "039a6846235e885487a83875ad41252e357be9383d0a5167ca3a1ca1ce20538d",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-04T13:10:52Z",
    "title_canon_sha256": "2dc4429c2da841480d21dfca1096281466c6b7ce163df6dbb242c4019888057b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.04521",
    "kind": "arxiv",
    "version": 2
  }
}