Pith Number

pith:OB2T4NGI

pith:2018:OB2T4NGIB5O772QO7RN7ISXCCQ

not attested not anchored not stored refs pending

Hierarchical feature fusion framework for frequency recognition in SSVEP-based BCIs

Daqing Guo, Dezhong Yao, Erwei Yin, Fali Li, Peng Xu, Yangsong Zhang, Yu Zhang

arxiv:1812.10227 v2 · 2018-12-26 · q-bio.NC · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OB2T4NGIB5O772QO7RN7ISXCCQ}

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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	2026-05-17T23:50:44.617224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70753e34c80f5dffea0efc5bf44ae21429265f89686ccb3d7e8862571ef3c4dc

Aliases

arxiv: 1812.10227 · arxiv_version: 1812.10227v2 · doi: 10.48550/arxiv.1812.10227 · pith_short_12: OB2T4NGIB5O7 · pith_short_16: OB2T4NGIB5O772QO · pith_short_8: OB2T4NGI

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/OB2T4NGIB5O772QO7RN7ISXCCQ \
  | 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: 70753e34c80f5dffea0efc5bf44ae21429265f89686ccb3d7e8862571ef3c4dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96f0798e319143aab69de4bc55bcd7bf4fd17e3fa4bc15998d6ee0a82fbcafa6",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2018-12-26T05:06:16Z",
    "title_canon_sha256": "b0bfb2a649282dd18e83dd5623427841f9448d29410d55bf5adf9f1974af5891"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10227",
    "kind": "arxiv",
    "version": 2
  }
}