Pith Number

pith:XKUJSJFF

pith:2026:XKUJSJFFWDYLPYPZHYCSYCCGVS

not attested not anchored not stored refs pending

A Taxonomy of Runtime Faults in Model Context Protocol Servers

Antonio Ken Iannillo, Damian Andrew Tamburri, Indika Kumara, Joshua Owotogbe, Roberto Natella, Willem-Jan van den Heuvel

arxiv:2606.05339 v1 · 2026-06-03 · cs.SE · 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{XKUJSJFFWDYLPYPZHYCSYCCGVS}

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	2026-06-05T00:13:54.703178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baa89924a5b0f0b7e1f93e052c0846ac92768c9aeb059e53783f545bff06ade0

Aliases

arxiv: 2606.05339 · arxiv_version: 2606.05339v1 · doi: 10.48550/arxiv.2606.05339 · pith_short_12: XKUJSJFFWDYL · pith_short_16: XKUJSJFFWDYLPYPZ · pith_short_8: XKUJSJFF

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/XKUJSJFFWDYLPYPZHYCSYCCGVS \
  | 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: baa89924a5b0f0b7e1f93e052c0846ac92768c9aeb059e53783f545bff06ade0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e35bb89ce348590daee227a2f77f85f256f5bcc05abbb6e78aa66b5cf6801ecd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-03T18:28:20Z",
    "title_canon_sha256": "be3ad082c132566ced16ded74fd5464a71d26e22434f4c9cb749c3504ba5c82d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05339",
    "kind": "arxiv",
    "version": 1
  }
}