Pith Number

pith:VYWXKPNH

pith:2014:VYWXKPNH3N3XWBYI5R3VUIWZFK

not attested not anchored not stored refs pending

Assess Sleep Stage by Modern Signal Processing Techniques

Hau-Tieng Wu, Ronen Talmon, Yu-Lun Lo

arxiv:1410.1013 v1 · 2014-10-04 · physics.med-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VYWXKPNH3N3XWBYI5R3VUIWZFK}

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	2026-05-18T02:41:02.991867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2d753da7db777b0708ec775a22d92a9e668e0301b3b67c5737673188f3dd25

Aliases

arxiv: 1410.1013 · arxiv_version: 1410.1013v1 · doi: 10.48550/arxiv.1410.1013 · pith_short_12: VYWXKPNH3N3X · pith_short_16: VYWXKPNH3N3XWBYI · pith_short_8: VYWXKPNH

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/VYWXKPNH3N3XWBYI5R3VUIWZFK \
  | 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: ae2d753da7db777b0708ec775a22d92a9e668e0301b3b67c5737673188f3dd25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa2850a3b24da29c5db6d3524d5ff2ba43f922b2b5344b95f580c1afb20025ab",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-10-04T03:09:36Z",
    "title_canon_sha256": "26ee807b51913b9801f3275a1c714eb28ee5317865b67a2ee8c7263607199cfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.1013",
    "kind": "arxiv",
    "version": 1
  }
}