Pith Number

pith:3NVJGVRC

pith:2018:3NVJGVRCI6Y6CAH7BKSYNCMMXT

not attested not anchored not stored refs pending

Finding morphology points of electrocardiographic signal waves using wavelet analysis

Alena I. Kalyakulina, Alexander V. Nikolskiy, Artem A. Kozlov, Igor I. Yusipov, Mikhail V. Ivanchenko, Nikolay Yu. Zolotykh, Victor A. Moskalenko

arxiv:1808.04804 v1 · 2018-08-14 · q-bio.QM · 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{3NVJGVRCI6Y6CAH7BKSYNCMMXT}

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	2026-05-17T23:47:30.546526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db6a93562247b1e100ff0aa586898cbcfe4127476aac4d5e6d5cd5f8bfbff18a

Aliases

arxiv: 1808.04804 · arxiv_version: 1808.04804v1 · doi: 10.48550/arxiv.1808.04804 · pith_short_12: 3NVJGVRCI6Y6 · pith_short_16: 3NVJGVRCI6Y6CAH7 · pith_short_8: 3NVJGVRC

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/3NVJGVRCI6Y6CAH7BKSYNCMMXT \
  | 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: db6a93562247b1e100ff0aa586898cbcfe4127476aac4d5e6d5cd5f8bfbff18a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd38684f99bb030aca12ad4034ea7957154d70d8cb37d288a204e0850aef3281",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2018-08-14T17:34:11Z",
    "title_canon_sha256": "53b5b2cf80c24b4235c63e0d6d25d30f943d3ff5604f8a28f742a6a7b58559c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04804",
    "kind": "arxiv",
    "version": 1
  }
}