Pith Number

pith:KZPTO2RY

pith:2019:KZPTO2RYTG5HFCXAYMV7JZYF2U

not attested not anchored not stored refs pending

Automated Polysomnography Analysis for Detection of Non-Apneic and Non-Hypopneic Arousals using Feature Engineering and a Bidirectional LSTM Network

Aggelos K. Katsaggelos, Ali Bahrami Rad, Moncef Gabbouj, Morteza Zabihi, Simo S\"arkk\"a, Zheng Zhao

arxiv:1909.02971 v1 · 2019-09-06 · eess.SP · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZPTO2RYTG5HFCXAYMV7JZYF2U}

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	2026-07-05T00:02:50.819057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565f376a3899ba728ae0c32bf4e705d505cfde6e7855be01c6110ae6cc963456

Aliases

arxiv: 1909.02971 · arxiv_version: 1909.02971v1 · doi: 10.48550/arxiv.1909.02971 · pith_short_12: KZPTO2RYTG5H · pith_short_16: KZPTO2RYTG5HFCXA · pith_short_8: KZPTO2RY

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/KZPTO2RYTG5HFCXAYMV7JZYF2U \
  | 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: 565f376a3899ba728ae0c32bf4e705d505cfde6e7855be01c6110ae6cc963456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52832567558a371bc21f72b4a616858c81ef7b72218d659986affa542fa7d55a",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-09-06T15:29:54Z",
    "title_canon_sha256": "7678616c11de8f538bb8d67168cbcc46f59d7604c1045d66019f6e890e04bb52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02971",
    "kind": "arxiv",
    "version": 1
  }
}