Pith Number

pith:SP4X73FC

pith:2025:SP4X73FCL7UDI6WLM5IBES3EKH

not attested not anchored not stored refs pending

Real-Time, Single-Ear, Wearable ECG Reconstruction, R-Peak Detection, and HR/HRV Monitoring

Andrea Cossettini, Carlos Santos, Luca Benini, Sebastian Frey, Victor Kartsch

arxiv:2505.01738 v1 · 2025-05-03 · eess.SP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SP4X73FCL7UDI6WLM5IBES3EKH}

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	2026-07-05T10:58:03.149134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f97feca25fe8347acb6750124b6451da6fe84da400dc4488b61565a73dd7ce

Aliases

arxiv: 2505.01738 · arxiv_version: 2505.01738v1 · doi: 10.48550/arxiv.2505.01738 · pith_short_12: SP4X73FCL7UD · pith_short_16: SP4X73FCL7UDI6WL · pith_short_8: SP4X73FC

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/SP4X73FCL7UDI6WLM5IBES3EKH \
  | 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: 93f97feca25fe8347acb6750124b6451da6fe84da400dc4488b61565a73dd7ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ffe9090cd86fb4a8f7e56a0bf82317706dae9de1241a384ae9be74af2f7f503",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-05-03T08:28:26Z",
    "title_canon_sha256": "8887df95e2741169a99baf38fd8e765974b1afff440bef6ef1b37ecb48fcd76e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.01738",
    "kind": "arxiv",
    "version": 1
  }
}