Pith Number

pith:QCCTKFHY

pith:2022:QCCTKFHYAPTOUZESCEGYYUMZFM

not attested not anchored not stored refs pending

Heart rate estimation in intense exercise videos

Anwesh Marwade, Jan van Gemert, Nergis Tomen, Puck Alkemade, Thijs Eijsvogels, Yeshwanth Napolean

arxiv:2208.02509 v1 · 2022-08-04 · 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{QCCTKFHYAPTOUZESCEGYYUMZFM}

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	2026-07-05T04:46:05.219149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80853514f803e6ea6492110d8c51992b1e7d9f1bd74d89639f0548f8f3c7cd4b

Aliases

arxiv: 2208.02509 · arxiv_version: 2208.02509v1 · doi: 10.48550/arxiv.2208.02509 · pith_short_12: QCCTKFHYAPTO · pith_short_16: QCCTKFHYAPTOUZES · pith_short_8: QCCTKFHY

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/QCCTKFHYAPTOUZESCEGYYUMZFM \
  | 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: 80853514f803e6ea6492110d8c51992b1e7d9f1bd74d89639f0548f8f3c7cd4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbdd46460d7e25428beb139ee69c1b18fa8af03f3ad9d00b4a7dcbccd826c0e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-08-04T07:42:40Z",
    "title_canon_sha256": "5abf4cb00f3264d2fe40fb39306358b290575dfeb18d5c2432adf63c9bf4e601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.02509",
    "kind": "arxiv",
    "version": 1
  }
}