Pith Number

pith:YSTUR6QM

pith:2025:YSTUR6QMPLYVUN4LTPBLDE763Y

not attested not anchored not stored refs pending

Supervised Contrastive Learning for Ordinal Engagement Measurement

Ali Abedi, Sadaf Safa, Shehroz S. Khan

arxiv:2505.20676 v1 · 2025-05-27 · cs.CV · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSTUR6QMPLYVUN4LTPBLDE763Y}

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

PriorNet: Prior-Guided Engagement Estimation from Face Video

Receipt and verification

First computed	2026-07-05T11:10:16.467058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4a748fa0c7af15a378b9bc2b193fede20c6d4c678d31fa9de8f45d33c78d9c2

Aliases

arxiv: 2505.20676 · arxiv_version: 2505.20676v1 · doi: 10.48550/arxiv.2505.20676 · pith_short_12: YSTUR6QMPLYV · pith_short_16: YSTUR6QMPLYVUN4L · pith_short_8: YSTUR6QM

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/YSTUR6QMPLYVUN4LTPBLDE763Y \
  | 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: c4a748fa0c7af15a378b9bc2b193fede20c6d4c678d31fa9de8f45d33c78d9c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23beda17bc9461d53c23af11efef63a90389389f9fa2755ec9ab3ba2e23235a9",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-05-27T03:49:45Z",
    "title_canon_sha256": "54fa4b0935d76a8c2a7d034e462fa3d7725a4fac9bf6c54ad525878a7c920ffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.20676",
    "kind": "arxiv",
    "version": 1
  }
}