Pith Number

pith:Q6CV3XGO

pith:2023:Q6CV3XGOPMY2FSBRAJV4ES4RNZ

not attested not anchored not stored refs pending

Efficient and Direct Inference of Heart Rate Variability using Both Signal Processing and Machine Learning

Dakai Zhu, Houbing Song, Jingye Xu, Mimi Xie, Wei Wang, Yuntong Zhang

arxiv:2303.13637 v1 · 2023-03-23 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6CV3XGOPMY2FSBRAJV4ES4RNZ}

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	2026-07-05T05:54:05.377536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87855ddcce7b31a2c831026bc24b916e7538d7c109661398cfcf9291d0a5383e

Aliases

arxiv: 2303.13637 · arxiv_version: 2303.13637v1 · doi: 10.48550/arxiv.2303.13637 · pith_short_12: Q6CV3XGOPMY2 · pith_short_16: Q6CV3XGOPMY2FSBR · pith_short_8: Q6CV3XGO

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/Q6CV3XGOPMY2FSBRAJV4ES4RNZ \
  | 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: 87855ddcce7b31a2c831026bc24b916e7538d7c109661398cfcf9291d0a5383e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d076503993bb0b6f8a2e0b31d5fb2a6682bdb3094ec9b4ced457a4b77163d79",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-03-23T19:47:53Z",
    "title_canon_sha256": "5c8af9cabe4d8e0118d6f60ba4ff6b54509b3c19fc81209008f4e937bf7ca6af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13637",
    "kind": "arxiv",
    "version": 1
  }
}