Pith Number

pith:EKPZ5HSW

pith:2019:EKPZ5HSW5X6KWL3Y7HHAFL4QRI

not attested not anchored not stored refs pending

Eigen Values Features for the Classification of Brain Signals corresponding to 2D and 3D Educational Contents

Emad-ul-Haq Qazi, Hatim Aboalsamh, Muhammad Hussain, Saeed Bamatraf

arxiv:1904.13221 v1 · 2019-04-30 · cs.LG · eess.SP · 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{EKPZ5HSW5X6KWL3Y7HHAFL4QRI}

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	2026-05-17T23:47:21.884861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

229f9e9e56edfcab2f78f9ce02af908a086e00c999994759f9e3748b71274030

Aliases

arxiv: 1904.13221 · arxiv_version: 1904.13221v1 · doi: 10.48550/arxiv.1904.13221 · pith_short_12: EKPZ5HSW5X6K · pith_short_16: EKPZ5HSW5X6KWL3Y · pith_short_8: EKPZ5HSW

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/EKPZ5HSW5X6KWL3Y7HHAFL4QRI \
  | 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: 229f9e9e56edfcab2f78f9ce02af908a086e00c999994759f9e3748b71274030

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9d046607c586395fff9bceaef73da04f34d67e85ad7665becc514451bbab89",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-30T13:32:00Z",
    "title_canon_sha256": "ddb145350d6624659074008bc1f650576cff455069bd110eb8b6334fa8ef8248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13221",
    "kind": "arxiv",
    "version": 1
  }
}