Pith Number

pith:GUDMX7WH

pith:2021:GUDMX7WHYLLPELDEQZAG2HZJBT

not attested not anchored not stored refs pending

Motor-imagery classification model for brain-computer interface: a sparse group filter bank representation model

Cancheng Li, Chuanbo Qin, Jing Fang

arxiv:2108.12295 v1 · 2021-08-27 · cs.HC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GUDMX7WHYLLPELDEQZAG2HZJBT}

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	2026-07-05T03:09:24.223283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3506cbfec7c2d6f22c6486406d1f290cd12bd27d396cd9370f28399fbac2630c

Aliases

arxiv: 2108.12295 · arxiv_version: 2108.12295v1 · doi: 10.48550/arxiv.2108.12295 · pith_short_12: GUDMX7WHYLLP · pith_short_16: GUDMX7WHYLLPELDE · pith_short_8: GUDMX7WH

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/GUDMX7WHYLLPELDEQZAG2HZJBT \
  | 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: 3506cbfec7c2d6f22c6486406d1f290cd12bd27d396cd9370f28399fbac2630c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b059d1c7ee79beb8fde43e91a34d1155793502ca4efbd8944f2fa9b4ae6cb11",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-08-27T14:04:05Z",
    "title_canon_sha256": "d83771906844c5372ef7447220203d4ac9c8dbb8d602ef58113611df471dfb5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12295",
    "kind": "arxiv",
    "version": 1
  }
}