Pith Number

pith:UHHEUKCG

pith:2025:UHHEUKCGK3ZB2PGQRTCHURJ7NJ

not attested not anchored not stored refs pending

Towards Accurate Heart Rate Measurement from Ultra-Short Video Clips via Periodicity-Guided rPPG Estimation and Signal Reconstruction

Chiou-Ting Hsu, Kuan-Wen Chen, Md. Jalil Piran, Pei-Kai Huanga, Xiaoding Wang, Ya-Ting Chan

arxiv:2506.22078 v2 · 2025-06-27 · 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{UHHEUKCGK3ZB2PGQRTCHURJ7NJ}

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	2026-06-05T01:14:27.738446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1ce4a284656f21d3cd08cc47a453f6a5931921e7b48ddc3c5a3c22a214e2be1

Aliases

arxiv: 2506.22078 · arxiv_version: 2506.22078v2 · doi: 10.48550/arxiv.2506.22078 · pith_short_12: UHHEUKCGK3ZB · pith_short_16: UHHEUKCGK3ZB2PGQ · pith_short_8: UHHEUKCG

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/UHHEUKCGK3ZB2PGQRTCHURJ7NJ \
  | 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: a1ce4a284656f21d3cd08cc47a453f6a5931921e7b48ddc3c5a3c22a214e2be1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8385b326a6b20eb3b0815bddb809a23362eb57a7545d511adac61d6f989eba50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-06-27T10:05:00Z",
    "title_canon_sha256": "03e4b822a5fd8a157c700d533f2504eb14a43039afbed33af58cce874d09af9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.22078",
    "kind": "arxiv",
    "version": 2
  }
}