Pith Number

pith:CMIU3NLQ

pith:2003:CMIU3NLQTVBJS6FZ6OIWOE3Z3K

not attested not anchored not stored refs pending

Deriving the respiratory sinus arrhythmia from the heartbeat time series using Empirical Mode Decomposition

A. Gemignani, B. Ghelarducci, D. Menicucci, E. Santarcangelo, L. Sebastiani, M. Varanini, R. Balocchi

arxiv:q-bio/0310002 v1 · 2003-10-01 · q-bio.TO · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMIU3NLQTVBJS6FZ6OIWOE3Z3K}

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	2026-05-18T01:38:03.986196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13114db5709d429978b9f391671379dabe22aa1655cad597650b2c2ea0baa6f9

Aliases

arxiv: q-bio/0310002 · arxiv_version: q-bio/0310002v1 · doi: 10.48550/arxiv.q-bio/0310002 · pith_short_12: CMIU3NLQTVBJ · pith_short_16: CMIU3NLQTVBJS6FZ · pith_short_8: CMIU3NLQ

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/CMIU3NLQTVBJS6FZ6OIWOE3Z3K \
  | 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: 13114db5709d429978b9f391671379dabe22aa1655cad597650b2c2ea0baa6f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dbcd26188ee7d9225568766fe6b0ba052870ec92eefe115da67421e50f8bdf3",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "",
    "primary_cat": "q-bio.TO",
    "submitted_at": "2003-10-01T20:14:27Z",
    "title_canon_sha256": "515bbf85e0fae07c98cbe6e52a5a908e646245dd619b293e50773edb98c4af36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0310002",
    "kind": "arxiv",
    "version": 1
  }
}