Pith Number

pith:U3UPQLQO

pith:2019:U3UPQLQOWUEMDQBNMUKZBASKSH

not attested not anchored not stored refs pending

Remote Photoplethysmograph Signal Measurement from Facial Videos Using Spatio-Temporal Networks

Guoying Zhao, Xiaobai Li, Zitong Yu

arxiv:1905.02419 v2 · 2019-05-07 · cs.CV

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\usepackage{pith}
\pithnumber{U3UPQLQOWUEMDQBNMUKZBASKSH}

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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.

Cited by

5 papers in Pith

MS-rPPG: Multi-spectral State Space Model for Remote Photoplethysmography in Driver Monitoring Systems

Rhythm-Structured Predictive Learning for Remote Photoplethysmography

LQ-rPPG: A Label-Quantized Coarse-to-Fine Learning Framework for Remote Physiological Measurement

Phase-shifted remote photoplethysmography for estimating heart rate and blood pressure from facial video

Intervention-Based Self-Supervised Learning: A Causal Probe Paradigm for Remote Photoplethysmography

Receipt and verification

First computed	2026-07-04T23:50:45.429055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6e8f82e0eb508c1c02d651590824a91f882ea19f5a0af4d4ae8b9331504d6a8

Aliases

arxiv: 1905.02419 · arxiv_version: 1905.02419v2 · doi: 10.48550/arxiv.1905.02419 · pith_short_12: U3UPQLQOWUEM · pith_short_16: U3UPQLQOWUEMDQBN · pith_short_8: U3UPQLQO

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/U3UPQLQOWUEMDQBNMUKZBASKSH \
  | 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: a6e8f82e0eb508c1c02d651590824a91f882ea19f5a0af4d4ae8b9331504d6a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d76ead8b318e719a4e5f640868135b2f1045bd2f7d4a220062a1ce781ced3e84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-07T09:02:37Z",
    "title_canon_sha256": "6df2aa9640ae6fdefccb44ab14478845e1c432796e16ad8a521d6337636d06c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02419",
    "kind": "arxiv",
    "version": 2
  }
}