Pith Number

pith:E6GQJBWP

pith:2017:E6GQJBWPGWKMQQXRQSLVQT4AXG

not attested not anchored not stored refs pending

Automatic sleep monitoring using ear-EEG

Danilo P. Mandic, Mary J. Morrell, Takashi Nakamura, Valentin Goverdovsky

arxiv:1701.04398 v1 · 2017-01-03 · physics.med-ph · 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{E6GQJBWPGWKMQQXRQSLVQT4AXG}

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	2026-05-18T00:52:44.741964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

278d0486cf3594c842f18497584f80b9be5b518efbc69b8ddceb61d3253d6bc3

Aliases

arxiv: 1701.04398 · arxiv_version: 1701.04398v1 · doi: 10.48550/arxiv.1701.04398 · pith_short_12: E6GQJBWPGWKM · pith_short_16: E6GQJBWPGWKMQQXR · pith_short_8: E6GQJBWP

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/E6GQJBWPGWKMQQXRQSLVQT4AXG \
  | 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: 278d0486cf3594c842f18497584f80b9be5b518efbc69b8ddceb61d3253d6bc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98061281ba0ba1840284b2cecb4a743e3ebe3a01ddd09b663a5bbeee953953d9",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2017-01-03T10:58:25Z",
    "title_canon_sha256": "bdeef6cedcba2d9b8b44a424918e0db787f21ecede35c214873804c83d9170f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04398",
    "kind": "arxiv",
    "version": 1
  }
}