Pith Number

pith:HSDV7KFD

pith:2026:HSDV7KFD7UASADC3SPHYJW6YHI

not attested not anchored not stored refs pending

Zero-Shot Vision-Language Models for Classroom Engagement Recognition: A Benchmark Study of Prompt Sensitivity and Cross-Dataset Generalization

Aman Goyal, Kemmannu Vineet Venkatesh Rao, Kshama Nitin Shah

arxiv:2606.21861 v1 · 2026-06-20 · 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{HSDV7KFD7UASADC3SPHYJW6YHI}

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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	2026-06-23T02:13:01.259461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c875fa8a3fd01200c5b93cf84dbd83a1e175fa05493208cddbf30fb45967b43

Aliases

arxiv: 2606.21861 · arxiv_version: 2606.21861v1 · doi: 10.48550/arxiv.2606.21861 · pith_short_12: HSDV7KFD7UAS · pith_short_16: HSDV7KFD7UASADC3 · pith_short_8: HSDV7KFD

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/HSDV7KFD7UASADC3SPHYJW6YHI \
  | 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: 3c875fa8a3fd01200c5b93cf84dbd83a1e175fa05493208cddbf30fb45967b43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "308f2801e089b2016901582c609ad2c5d916fd2dcc9c73cb8a23dd103a61d04c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-20T03:53:40Z",
    "title_canon_sha256": "0284275fa3050e4938bd2ff70073a8cbf8e878523cdb8762577afc5716a06715"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21861",
    "kind": "arxiv",
    "version": 1
  }
}