Pith Number

pith:UXVMTN4S

pith:2026:UXVMTN4SJDUV5TPEMVKFCH6L6A

not attested not anchored not stored refs pending

GradingAttack: Exposing Security Vulnerabilities in LLM Based Educational Grading Agents

Xueyi Li, Yongdong Wu, Zhuoneng Zhou, Zitao Liu

arxiv:2602.00979 v2 · 2026-02-01 · cs.CR · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXVMTN4SJDUV5TPEMVKFCH6L6A}

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	2026-05-25T02:01:13.882398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5eac9b79248e95ecde46554511fcbf038e612743f0ff63180b44bb05a8a70a3

Aliases

arxiv: 2602.00979 · arxiv_version: 2602.00979v2 · doi: 10.48550/arxiv.2602.00979 · pith_short_12: UXVMTN4SJDUV · pith_short_16: UXVMTN4SJDUV5TPE · pith_short_8: UXVMTN4S

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/UXVMTN4SJDUV5TPEMVKFCH6L6A \
  | 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: a5eac9b79248e95ecde46554511fcbf038e612743f0ff63180b44bb05a8a70a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6e1b00b43793b581ce1ea937cbca50f87d6e7e05be23f062adee03f6bc01d42",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-02-01T02:39:51Z",
    "title_canon_sha256": "21475f3f7c44820bed3b5220cd0ed1b7894fbf9eceb1bcbdb1b7186221040364"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.00979",
    "kind": "arxiv",
    "version": 2
  }
}