Pith Number

pith:LLSTEVJN

pith:2026:LLSTEVJN7CWNKDS7CZ6TNRNGKB

not attested not anchored not stored refs pending

Context Matters: Repository-Aware Security Analysis of the Agent Skill Ecosystem

David Schmidt, Florian Holzbauer, Gabriel Gegenhuber, Johanna Ullrich, Sebastian Schrittwieser

arxiv:2603.16572 v2 · 2026-03-17 · 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{LLSTEVJN7CWNKDS7CZ6TNRNGKB}

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

3 papers in Pith

Under the Hood of SKILL.md: Semantic Supply-chain Attacks on AI Agent Skill Registry

Structured Security Auditing and Robustness Enhancement for Untrusted Agent Skills

Sealing the Audit-Runtime Gap for LLM Skills

Receipt and verification

First computed	2026-06-02T02:04:52.447308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ae532552df8acd50e5f167d36c5a6504c72e8f3be17b10d1ebebeefb59c2725

Aliases

arxiv: 2603.16572 · arxiv_version: 2603.16572v2 · doi: 10.48550/arxiv.2603.16572 · pith_short_12: LLSTEVJN7CWN · pith_short_16: LLSTEVJN7CWNKDS7 · pith_short_8: LLSTEVJN

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/LLSTEVJN7CWNKDS7CZ6TNRNGKB \
  | 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: 5ae532552df8acd50e5f167d36c5a6504c72e8f3be17b10d1ebebeefb59c2725

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "273f7769d13324cb573fa4e4bbcd4e91884b86692c124185e16966552b7b1b2a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-03-17T14:27:35Z",
    "title_canon_sha256": "0773658749de2db917a46f10e1a263c895da617732aa80054f968688a4b62226"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.16572",
    "kind": "arxiv",
    "version": 2
  }
}