Pith Number

pith:D43TNJNK

pith:2026:D43TNJNKYCAFFYZKI5DYMN5OBD

not attested not anchored not stored refs pending

Behind the Refusal: Determining Guardrail Activation via Behavioral Monitoring

Peter Garraghan, William Hackett

arxiv:2607.02121 v1 · 2026-07-02 · cs.CR · 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{D43TNJNKYCAFFYZKI5DYMN5OBD}

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	2026-07-03T01:17:42.799086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f3736a5aac08052e32a47478637ae08c3234f0e4453741f3e5744628df32f98

Aliases

arxiv: 2607.02121 · arxiv_version: 2607.02121v1 · doi: 10.48550/arxiv.2607.02121 · pith_short_12: D43TNJNKYCAF · pith_short_16: D43TNJNKYCAFFYZK · pith_short_8: D43TNJNK

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/D43TNJNKYCAFFYZKI5DYMN5OBD \
  | 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: 1f3736a5aac08052e32a47478637ae08c3234f0e4453741f3e5744628df32f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de0b4bf30832bcd89c626fc78027c41dd45ee4b5839a4c1af19f991555b5ca8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-07-02T12:59:28Z",
    "title_canon_sha256": "d93c9bfab6beeac0a61eb180d1e20625eb506a770a5bd2ce6d52a180c39ff026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02121",
    "kind": "arxiv",
    "version": 1
  }
}