Pith Number

pith:AW4MVA4K

pith:2026:AW4MVA4KKM5ZWT7FWPOL4X7Q22

not attested not anchored not stored refs pending

Give Them an Inch and They Will Take a Mile:Understanding and Measuring Caller Identity Confusion in MCP-Based AI Systems

Biwei Yan, Boyang Ma, Kaidi Xu, Minghui Xu, Xuelong Dai, Yechao Zhang, Yue Zhang, Yuhang Huang

arxiv:2603.07473 v2 · 2026-03-08 · 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{AW4MVA4KKM5ZWT7FWPOL4X7Q22}

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

1 paper in Pith

A First Measurement Study on Authentication Security in Real-World Remote MCP Servers

Receipt and verification

First computed	2026-07-22T01:22:21.420939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05b8ca838a533b9b4fe5b3dcbe5ff0d6ac4f8151f64450da1be17324f93fc381

Aliases

arxiv: 2603.07473 · arxiv_version: 2603.07473v2 · doi: 10.48550/arxiv.2603.07473 · pith_short_12: AW4MVA4KKM5Z · pith_short_16: AW4MVA4KKM5ZWT7F · pith_short_8: AW4MVA4K

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/AW4MVA4KKM5ZWT7FWPOL4X7Q22 \
  | 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: 05b8ca838a533b9b4fe5b3dcbe5ff0d6ac4f8151f64450da1be17324f93fc381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "671172e18e6519ffefff4d5772b405289e6f418a76aba555f7cf7c68cd59ec67",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-03-08T05:24:16Z",
    "title_canon_sha256": "1791396c6944095eec82f38f3e1b7d7e87302c542d8b85a74eedf4cca0393153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.07473",
    "kind": "arxiv",
    "version": 2
  }
}