Pith Number

pith:Q2WQ7YFK

pith:2014:Q2WQ7YFKFVLZYF23Z5CD7ZK2VC

not attested not anchored not stored refs pending

Sleep apnea-hypopnea quantification by cardiovascular data analysis

Celia Anteneodo, Juergen Kurths, Maik Riedl, Niels Wessel, Sabrina Camargo, Thomas Penzel

arxiv:1406.4115 v1 · 2014-06-13 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2WQ7YFKFVLZYF23Z5CD7ZK2VC}

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	2026-05-18T01:42:56.383183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ad0fe0aa2d579c175bcf443fe55aa8b6359d6a7a9498132a7154d90f97ca1f

Aliases

arxiv: 1406.4115 · arxiv_version: 1406.4115v1 · doi: 10.48550/arxiv.1406.4115 · pith_short_12: Q2WQ7YFKFVLZ · pith_short_16: Q2WQ7YFKFVLZYF23 · pith_short_8: Q2WQ7YFK

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/Q2WQ7YFKFVLZYF23Z5CD7ZK2VC \
  | 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: 86ad0fe0aa2d579c175bcf443fe55aa8b6359d6a7a9498132a7154d90f97ca1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721552c08908714ce7980fee7d237628191923b380bb82b17876b8a02823ba08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-06-13T15:38:28Z",
    "title_canon_sha256": "08ebfc138330a55604d4ae1a8c348b3caf047ca8b85811475e9494e288eabe21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4115",
    "kind": "arxiv",
    "version": 1
  }
}