Pith Number

pith:ZQFM4RCD

pith:2026:ZQFM4RCDMAPWEQGWJLKSQEQYIP

not attested not anchored not stored refs pending

Subject-Level Heterogeneity in EEG Motor Imagery Decoding: A Large-Scale Benchmark and Portfolio-Based Reduction of the Search Space

Olivier Oullier, Paul Barbaste, Xavier Vasques

arxiv:2607.22778 v1 · 2026-07-24 · q-bio.NC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZQFM4RCDMAPWEQGWJLKSQEQYIP}

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	2026-07-28T00:21:53.918290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc0ace4443601f6240d64ad528121843f3c9d8a0a2b28c8f01465444a18ab585

Aliases

arxiv: 2607.22778 · arxiv_version: 2607.22778v1 · doi: 10.48550/arxiv.2607.22778 · pith_short_12: ZQFM4RCDMAPW · pith_short_16: ZQFM4RCDMAPWEQGW · pith_short_8: ZQFM4RCD

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/ZQFM4RCDMAPWEQGWJLKSQEQYIP \
  | 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: cc0ace4443601f6240d64ad528121843f3c9d8a0a2b28c8f01465444a18ab585

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aaddaa8b5c6e924043a8bb9172010478fceec867e2243402d2f924280ce5416",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2026-07-24T08:55:28Z",
    "title_canon_sha256": "e53fe5e9c0e590bb1d0b90926a0b2723d64bfa7be04dd317c02df7c09cc3a3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22778",
    "kind": "arxiv",
    "version": 1
  }
}