Pith Number

pith:RLHYLGX5

pith:2014:RLHYLGX5Y33KC2EZCEMQYTNXSB

not attested not anchored not stored refs pending

The Surface Laplacian Technique in EEG: Theory and Methods

Claudio Carvalhaes, J. Acacio de Barros

arxiv:1406.0458 v2 · 2014-06-02 · physics.bio-ph · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RLHYLGX5Y33KC2EZCEMQYTNXSB}

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	2026-05-18T02:38:19.726153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8acf859afdc6f6a1689911190c4db7907cd19cd61772a60cadd84dec28f42a91

Aliases

arxiv: 1406.0458 · arxiv_version: 1406.0458v2 · doi: 10.48550/arxiv.1406.0458 · pith_short_12: RLHYLGX5Y33K · pith_short_16: RLHYLGX5Y33KC2EZ · pith_short_8: RLHYLGX5

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/RLHYLGX5Y33KC2EZCEMQYTNXSB \
  | 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: 8acf859afdc6f6a1689911190c4db7907cd19cd61772a60cadd84dec28f42a91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "694964c212ec4d01adb642d18e4e000ee960037ab9766ce685f05fd861f3e42f",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.bio-ph",
    "submitted_at": "2014-06-02T17:49:17Z",
    "title_canon_sha256": "874d1c73fdfc6860d2b38a2b432fb1fa15c95cc0c1c3bbfff167d0b971bf1eca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0458",
    "kind": "arxiv",
    "version": 2
  }
}