Pith Number

pith:4AMWHH2X

pith:2023:4AMWHH2XHMP7CBLCQOXRJ723WP

not attested not anchored not stored refs pending

Extracting continuous sleep depth from EEG data without machine learning

Achim Schilling, Claus Metzner, Holger Schulze, Konstantin Tziridis, Maximilian Traxdorf, Patrick Krauss

arxiv:2301.06755 v1 · 2023-01-17 · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4AMWHH2XHMP7CBLCQOXRJ723WP}

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	2026-07-05T05:33:35.468697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e019639f573b1ff1056283af14ff5bb3c743a9be165f54bc76a475e37674353f

Aliases

arxiv: 2301.06755 · arxiv_version: 2301.06755v1 · doi: 10.48550/arxiv.2301.06755 · pith_short_12: 4AMWHH2XHMP7 · pith_short_16: 4AMWHH2XHMP7CBLC · pith_short_8: 4AMWHH2X

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/4AMWHH2XHMP7CBLCQOXRJ723WP \
  | 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: e019639f573b1ff1056283af14ff5bb3c743a9be165f54bc76a475e37674353f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea2201cfbd38e61df9624b196c29e6ed4985a2a6df26f186b6a2918fe03e0642",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2023-01-17T08:39:34Z",
    "title_canon_sha256": "8c83cc6b3f1d85f6caa64d1a24ea0350c85ffb8905dbef61ebdd662a38281b53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.06755",
    "kind": "arxiv",
    "version": 1
  }
}