Pith Number

pith:RWVEA7JQ

pith:2018:RWVEA7JQFQ2OFPE7DOGTZFDJAZ

not attested not anchored not stored refs pending

Sleep-wake classification via quantifying heart rate variability by convolutional neural network

Hau-Tieng Wu, John Malik, Yu-Lun Lo

arxiv:1808.00142 v1 · 2018-08-01 · stat.AP · physics.data-an · 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{RWVEA7JQFQ2OFPE7DOGTZFDJAZ}

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	2026-05-18T00:09:08.651412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8daa407d302c34e2bc9f1b8d3c9469066bff82f95f431f3e97532ddfc24c0497

Aliases

arxiv: 1808.00142 · arxiv_version: 1808.00142v1 · doi: 10.48550/arxiv.1808.00142 · pith_short_12: RWVEA7JQFQ2O · pith_short_16: RWVEA7JQFQ2OFPE7 · pith_short_8: RWVEA7JQ

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/RWVEA7JQFQ2OFPE7DOGTZFDJAZ \
  | 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: 8daa407d302c34e2bc9f1b8d3c9469066bff82f95f431f3e97532ddfc24c0497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86f1fcd0336d7be44583e0907e2e7f39a9b7bfb16b0bb93a59b25a2e061862e0",
    "cross_cats_sorted": [
      "physics.data-an",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-08-01T02:28:59Z",
    "title_canon_sha256": "76b73f6e829ac28f5a80c87d8aff4bfb62ec8c800293e2c2c3166ecaf4d1a316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.00142",
    "kind": "arxiv",
    "version": 1
  }
}