Pith Number

pith:XHND3YFZ

pith:2026:XHND3YFZM6G6PX52OJWZK5VPK2

not attested not anchored not stored refs pending

VIGIL: Runtime Enforcement of Behavioral Specifications in AI Agent Skills

Bosi Zhang, Hanzhi Liu, Hongbo Wen, Peiran Wang, Yanju Chen, Ying Li, Yuan Tian, Yu Feng

arxiv:2606.26524 v1 · 2026-06-25 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XHND3YFZM6G6PX52OJWZK5VPK2}

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	2026-06-26T01:15:33.540029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9da3de0b9678de7dfba726d9576af568ffd9e002a09ebb38e47c4c3a06581f2

Aliases

arxiv: 2606.26524 · arxiv_version: 2606.26524v1 · doi: 10.48550/arxiv.2606.26524 · pith_short_12: XHND3YFZM6G6 · pith_short_16: XHND3YFZM6G6PX52 · pith_short_8: XHND3YFZ

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/XHND3YFZM6G6PX52OJWZK5VPK2 \
  | 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: b9da3de0b9678de7dfba726d9576af568ffd9e002a09ebb38e47c4c3a06581f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05261e47c8a612c5f2ce06f614fcc2a2e163c39311d2eb81448b1b44533dcbd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-25T01:58:44Z",
    "title_canon_sha256": "638c4246b54cf7f0c360fb6163ad93a10a3d3b1b9a27cc3015a072857c400ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26524",
    "kind": "arxiv",
    "version": 1
  }
}