Pith Number

pith:A7DU6EYF

pith:2019:A7DU6EYFEFYBGCGHJOHTSK7MLT

not attested not anchored not stored refs pending

Sleep Stage Classification Using Bidirectional LSTM in Wearable Multi-sensor Systems

Desen Cao, Jianli Pan, Jiewen Zheng, Ke Lan, Peiyao Li, XiaoLi Liu, Yuezhou Zhang, Zhengbo Zhang, Zhicheng Yang

arxiv:1909.11141 v1 · 2019-09-24 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7DU6EYFEFYBGCGHJOHTSK7MLT}

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	2026-07-05T00:07:08.729173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c74f130521701308c74b8f392bec5cc71f6320ebd4b9d0067fa220018d0d6f

Aliases

arxiv: 1909.11141 · arxiv_version: 1909.11141v1 · doi: 10.48550/arxiv.1909.11141 · pith_short_12: A7DU6EYFEFYB · pith_short_16: A7DU6EYFEFYBGCGH · pith_short_8: A7DU6EYF

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/A7DU6EYFEFYBGCGHJOHTSK7MLT \
  | 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: 07c74f130521701308c74b8f392bec5cc71f6320ebd4b9d0067fa220018d0d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7335a75a50182bf2df311a5a51a4dc7bb98e57accf64a715bf6ecf4195afd890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-09-24T19:25:26Z",
    "title_canon_sha256": "45d16b76fb498a3eccba32556ffc4a288989c07455042618c13623ffc4ff8f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.11141",
    "kind": "arxiv",
    "version": 1
  }
}