Pith Number

pith:NV3TTJ3L

pith:2012:NV3TTJ3LHZNU6OEJW3U7X5ZZRS

not attested not anchored not stored refs pending

The joint use of the tangential electric field and surface Laplacian in EEG classification

C. G. Carvalhaes, J. Acacio de Barros, M. Perreau-Guimar\~aes, P. Suppes

arxiv:1212.0592 v2 · 2012-12-04 · q-bio.NC · 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{NV3TTJ3LHZNU6OEJW3U7X5ZZRS}

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	2026-05-18T03:18:51.656791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7739a76b3e5b4f3889b6e9fbf7398c972cbd6ff3ad5a0b7ff9f1f37c1e00ec

Aliases

arxiv: 1212.0592 · arxiv_version: 1212.0592v2 · doi: 10.48550/arxiv.1212.0592 · pith_short_12: NV3TTJ3LHZNU · pith_short_16: NV3TTJ3LHZNU6OEJ · pith_short_8: NV3TTJ3L

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/NV3TTJ3LHZNU6OEJW3U7X5ZZRS \
  | 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: 6d7739a76b3e5b4f3889b6e9fbf7398c972cbd6ff3ad5a0b7ff9f1f37c1e00ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c4eac304dbe3e4adecaee9df3dcb92850ee65ff46570f251f73cfec75f74160",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2012-12-04T00:36:51Z",
    "title_canon_sha256": "6bbbce5e618d7f8044305493c91805451449ba66688e3c9cd3c3a0be6ed84d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.0592",
    "kind": "arxiv",
    "version": 2
  }
}