Pith Number

pith:Z7TCF2XW

pith:2018:Z7TCF2XWTTT33YAASQTPGKCOO4

not attested not anchored not stored refs pending

A Deep Learning Approach with an Attention Mechanism for Automatic Sleep Stage Classification

Amy Loutfi, Martin L\"angkvist

arxiv:1805.05036 v1 · 2018-05-14 · cs.LG · q-bio.NC · 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{Z7TCF2XWTTT33YAASQTPGKCOO4}

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	2026-05-18T00:16:04.011625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe622eaf69ce7bde0009426f3284e773be73ab0ce77eadab099d58715f7a756

Aliases

arxiv: 1805.05036 · arxiv_version: 1805.05036v1 · doi: 10.48550/arxiv.1805.05036 · pith_short_12: Z7TCF2XWTTT3 · pith_short_16: Z7TCF2XWTTT33YAA · pith_short_8: Z7TCF2XW

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/Z7TCF2XWTTT33YAASQTPGKCOO4 \
  | 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: cfe622eaf69ce7bde0009426f3284e773be73ab0ce77eadab099d58715f7a756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80385fe890c4c58dda7661acf259564c9bccf0afb3296228ab7c4a1742bc0cb4",
    "cross_cats_sorted": [
      "q-bio.NC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-05-14T07:36:26Z",
    "title_canon_sha256": "0634078d0dd5f9733a31753791e56b97f948a06909daa4d6345f05b2295eb3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05036",
    "kind": "arxiv",
    "version": 1
  }
}