Pith Number

pith:5NHYQQ5Z

pith:2024:5NHYQQ5Z6BCHV6BJDEFZQQVMWB

not attested not anchored not stored refs pending

R2I-rPPG: A Robust Region of Interest Selection Method for Remote Photoplethysmography to Extract Heart Rate

David G. Beiser, Mark Hasegawa-Johnson, Narendra Ahuja, Sandeep Nagar

arxiv:2410.15851 v2 · 2024-10-21 · eess.IV · cs.CV · cs.HC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NHYQQ5Z6BCHV6BJDEFZQQVMWB}

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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

1 paper in Pith

A Signal Extraction Approach for Remote Heart Rate Variability Assessment Using Proxy Measure in a Driving Simulator

Receipt and verification

First computed	2026-07-05T09:39:59.308437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4f8843b9f0447af829190b9842acb0785be01052c809efc0542973970331c5

Aliases

arxiv: 2410.15851 · arxiv_version: 2410.15851v2 · doi: 10.48550/arxiv.2410.15851 · pith_short_12: 5NHYQQ5Z6BCH · pith_short_16: 5NHYQQ5Z6BCHV6BJ · pith_short_8: 5NHYQQ5Z

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/5NHYQQ5Z6BCHV6BJDEFZQQVMWB \
  | 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: eb4f8843b9f0447af829190b9842acb0785be01052c809efc0542973970331c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87720af2c9ca9ad503cd58ed28a37689c3f4b5e4d329351f30615462b9a1e567",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2024-10-21T10:27:57Z",
    "title_canon_sha256": "22774f7d92e7145e27adc7fe40ed586148a53b8adba6d43a4a3de548897a5345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.15851",
    "kind": "arxiv",
    "version": 2
  }
}