Pith Number

pith:RQHJSTAF

pith:2026:RQHJSTAFBL7BNRF7WM4QFUWEAW

not attested not anchored not stored refs pending

A Smart Classroom Behavior Analysis Framework with a New Highly Congested Classroom Dataset

Guanghao Liao, Haotian Wang, Maoxiang Chu, Wei Xu, Yinxiang Yu, Yuelong Fan, Yutian Zhu, Zhi Chen

arxiv:2606.21568 v1 · 2026-06-19 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RQHJSTAFBL7BNRF7WM4QFUWEAW}

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	2026-06-23T01:13:14.905648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c0e994c050afe16c4bfb33902d2c40581e3b821a52d33a38e5447ebd6f86ab4

Aliases

arxiv: 2606.21568 · arxiv_version: 2606.21568v1 · doi: 10.48550/arxiv.2606.21568 · pith_short_12: RQHJSTAFBL7B · pith_short_16: RQHJSTAFBL7BNRF7 · pith_short_8: RQHJSTAF

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/RQHJSTAFBL7BNRF7WM4QFUWEAW \
  | 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: 8c0e994c050afe16c4bfb33902d2c40581e3b821a52d33a38e5447ebd6f86ab4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b768c58871574bd8b750efe62a49278f00ab7f5ad19f5109e981be78be313e27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-19T16:09:45Z",
    "title_canon_sha256": "93d08be54b2c4974fda691b674aa35536bdd265b7d6a02aae9d9617e85cac4d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21568",
    "kind": "arxiv",
    "version": 1
  }
}