Pith Number

pith:FWEBWBQE

pith:2025:FWEBWBQEVNABRZOFOQN2QBERO5

not attested not anchored not stored refs pending

Exploring the Application of Visual Question Answering (VQA) for Classroom Activity Monitoring

Dung Manh Nguyen, Hieu Minh Hoang, Hieu Trung Pham, Nhu Hoang Le, Sinh Trong Vu, Tai Tan Mai, Thu Ha Pham

arxiv:2507.22369 v3 · 2025-07-30 · cs.CV · 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{FWEBWBQEVNABRZOFOQN2QBERO5}

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	2026-07-05T12:02:49.043597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d881b0604ab4018e5c5741ba804917764d26e8f0a853700acbb36a68c07d54c

Aliases

arxiv: 2507.22369 · arxiv_version: 2507.22369v3 · doi: 10.48550/arxiv.2507.22369 · pith_short_12: FWEBWBQEVNAB · pith_short_16: FWEBWBQEVNABRZOF · pith_short_8: FWEBWBQE

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/FWEBWBQEVNABRZOFOQN2QBERO5 \
  | 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: 2d881b0604ab4018e5c5741ba804917764d26e8f0a853700acbb36a68c07d54c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28410daac0abd032033c84c4c9482577c4f1b7d0dcc9b2dc66648d4ce60db26c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-30T04:25:14Z",
    "title_canon_sha256": "e592bd414615bcd58ea82ada353326576845f8e27709da1c652b7ec55f89ae70"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22369",
    "kind": "arxiv",
    "version": 3
  }
}