Pith Number

pith:POY5I2KJ

pith:2015:POY5I2KJAGEDEVKKUBKBQRKWFP

not attested not anchored not stored refs pending

Heart beat classification from single-lead ECG using the Synchrosqueezing Transform

Andrew JE Seely, Christophe L. Herry, Hau-Tieng Wu, Martin Frasch

arxiv:1510.02541 v4 · 2015-10-09 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POY5I2KJAGEDEVKKUBKBQRKWFP}

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	2026-05-18T00:57:31.858497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bb1d46949018832554aa0541845562bd02225370d8b430477b3c0e85f9c86db

Aliases

arxiv: 1510.02541 · arxiv_version: 1510.02541v4 · doi: 10.48550/arxiv.1510.02541 · pith_short_12: POY5I2KJAGED · pith_short_16: POY5I2KJAGEDEVKK · pith_short_8: POY5I2KJ

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/POY5I2KJAGEDEVKKUBKBQRKWFP \
  | 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: 7bb1d46949018832554aa0541845562bd02225370d8b430477b3c0e85f9c86db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22435047329e126bd8bfed8cb3491c4648e07e2d38c722f20584547d60adfcfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-10-09T01:39:25Z",
    "title_canon_sha256": "6d3d865e413916d8a0d84d0488852dc9ff7e8df2dc7ff44a276d56d7fa533afe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02541",
    "kind": "arxiv",
    "version": 4
  }
}