Pith Number

pith:OHMVHHYB

pith:2023:OHMVHHYBWPNK2XPDDQYWXXRYDR

not attested not anchored not stored refs pending

Comparison of Sub-Scalp EEG and Endovascular Stent-Electrode Array for Visual Evoked Potential Brain-Computer Interface

David B Grayden, Po-Chen Liu, Sam E. John, Timothy B. Mahoney

arxiv:2304.13238 v2 · 2023-04-26 · 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{OHMVHHYBWPNK2XPDDQYWXXRYDR}

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	2026-07-05T06:07:38.917180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71d9539f01b3daad5de31c316bde381c5e35b5152bc006287bdb9fb1ca42b613

Aliases

arxiv: 2304.13238 · arxiv_version: 2304.13238v2 · doi: 10.48550/arxiv.2304.13238 · pith_short_12: OHMVHHYBWPNK · pith_short_16: OHMVHHYBWPNK2XPD · pith_short_8: OHMVHHYB

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/OHMVHHYBWPNK2XPDDQYWXXRYDR \
  | 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: 71d9539f01b3daad5de31c316bde381c5e35b5152bc006287bdb9fb1ca42b613

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f1b7e5525926ed6b7453c41b2621f11ed2813c4b3275251f1f6eea3ef864d05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-04-26T01:57:55Z",
    "title_canon_sha256": "2f06ba84abddff573ec582ea391a3e32e98f2fe69350278a6837245f203bb835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.13238",
    "kind": "arxiv",
    "version": 2
  }
}