Pith Number

pith:W5T2WMQF

pith:2021:W5T2WMQFW3UJFPG7UVNZUXZYBT

not attested not anchored not stored refs pending

Robust heartbeat detection using multimodal recordings and ECG quality assessment with signal amplitudes dispersion

Babak Mohammadzadeh Asl, Zahra Rezaei Khavas

arxiv:2105.10046 v1 · 2021-05-20 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5T2WMQFW3UJFPG7UVNZUXZYBT}

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	2026-07-05T02:42:06.839971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b767ab3205b6e892bcdfa55b9a5f380cc4d3b145c7f2a69dd43818a01d944225

Aliases

arxiv: 2105.10046 · arxiv_version: 2105.10046v1 · doi: 10.48550/arxiv.2105.10046 · pith_short_12: W5T2WMQFW3UJ · pith_short_16: W5T2WMQFW3UJFPG7 · pith_short_8: W5T2WMQF

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/W5T2WMQFW3UJFPG7UVNZUXZYBT \
  | 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: b767ab3205b6e892bcdfa55b9a5f380cc4d3b145c7f2a69dd43818a01d944225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc19f2280b9b3f6cf88e837436144b8eb2414546704d5502fdf9c6a4dfdbf31f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-05-20T21:50:55Z",
    "title_canon_sha256": "38e8cf6c0f8aaeb9ebb0477b57750f7f9b9fca706e7c7f05a019699d8be6d0d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.10046",
    "kind": "arxiv",
    "version": 1
  }
}