Pith Number

pith:AZMF5NUU

pith:2019:AZMF5NUUE4ZCADSJ6EIKVMNIJ4

not attested not anchored not stored refs pending

Explore intrinsic geometry of sleep dynamics and predict sleep stage by unsupervised learning techniques

Gi-Ren Liu, Hau-Tieng Wu, Yuan-Chung Sheu, Yu-Lun Lo

arxiv:1905.04589 v1 · 2019-05-11 · 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{AZMF5NUUE4ZCADSJ6EIKVMNIJ4}

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	2026-05-17T23:46:24.287338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06585eb6942732200e49f110aab1a84f295cfdb75e8a2e76e8cbdc1db61b0c9f

Aliases

arxiv: 1905.04589 · arxiv_version: 1905.04589v1 · doi: 10.48550/arxiv.1905.04589 · pith_short_12: AZMF5NUUE4ZC · pith_short_16: AZMF5NUUE4ZCADSJ · pith_short_8: AZMF5NUU

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/AZMF5NUUE4ZCADSJ6EIKVMNIJ4 \
  | 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: 06585eb6942732200e49f110aab1a84f295cfdb75e8a2e76e8cbdc1db61b0c9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e06c6eb5ae2aadcb64ac1e8db89a95a9768275052ac721bd2e202ed2597c1f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-05-11T20:37:27Z",
    "title_canon_sha256": "abd187608c5cb66079df9365847b40879bc232dabae4c975f06116b007acb8a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04589",
    "kind": "arxiv",
    "version": 1
  }
}