Pith Number

pith:BRMYH5UU

pith:2019:BRMYH5UUC6IJ22FBAEEYUBGGHQ

not attested not anchored not stored refs pending

A Calderon Regularized Symmetric Formulation for the Electroencephalography Forward Problem

Axelle Pillain, Francesco P. Andriulli, John E. Ortiz G., Lyes Rahmouni

arxiv:1903.08405 v1 · 2019-03-20 · 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{BRMYH5UUC6IJ22FBAEEYUBGGHQ}

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	2026-05-17T23:50:48.201422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5983f69417909d68a101098a04c63c3d16525e27881661950253a53cd9a55f

Aliases

arxiv: 1903.08405 · arxiv_version: 1903.08405v1 · doi: 10.48550/arxiv.1903.08405 · pith_short_12: BRMYH5UUC6IJ · pith_short_16: BRMYH5UUC6IJ22FB · pith_short_8: BRMYH5UU

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/BRMYH5UUC6IJ22FBAEEYUBGGHQ \
  | 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: 0c5983f69417909d68a101098a04c63c3d16525e27881661950253a53cd9a55f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bb638b0bb3ae362b1793c4fb079c7af294cdaf364931b9764a16183fc8a6b3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-03-20T09:41:37Z",
    "title_canon_sha256": "911caa3ce126b0ed3881a74aa45d0a7308c391c0f8846e699a94039d0017f7e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08405",
    "kind": "arxiv",
    "version": 1
  }
}