Pith Number

pith:7PZ65OX2

pith:2026:7PZ65OX2Y3D4XZ7IKHJK5IVOA5

not attested not anchored not stored refs pending

TCAP: Tri-Component Attention Profiling for Unsupervised Backdoor Detection in MLLM Fine-Tuning

Hao Fang, Mingzu Liu, Runmin Cong

arxiv:2601.21692 v2 · 2026-01-29 · 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{7PZ65OX2Y3D4XZ7IKHJK5IVOA5}

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

EntropyScan: Towards Model-level Backdoor Detection in LVLMs via Visual Attention Entropy

Receipt and verification

First computed	2026-05-25T02:01:13.606144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbf3eebafac6c7cbe7e851d2aea2ae074413e43b490a772e77d91a3f539294ef

Aliases

arxiv: 2601.21692 · arxiv_version: 2601.21692v2 · doi: 10.48550/arxiv.2601.21692 · pith_short_12: 7PZ65OX2Y3D4 · pith_short_16: 7PZ65OX2Y3D4XZ7I · pith_short_8: 7PZ65OX2

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/7PZ65OX2Y3D4XZ7IKHJK5IVOA5 \
  | 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: fbf3eebafac6c7cbe7e851d2aea2ae074413e43b490a772e77d91a3f539294ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce0bdfae0a7a4340d3b4aa65271be4a810c636264c6fdd4180ac7cd7a4064f58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-01-29T13:26:29Z",
    "title_canon_sha256": "641c96d888d4103c45370196b9387d5d54534bb7d3056ecee5f8565e745e22c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21692",
    "kind": "arxiv",
    "version": 2
  }
}