Pith Number

pith:ZMKTCK5C

pith:2020:ZMKTCK5C653CLHKA6GXDDCR66A

not attested not anchored not stored refs pending

A Portable Brain MRI Scanner for Underserved Settings and Point-Of-Care Imaging

Bastien Guerin, Charlotte R. Sappo, Christopher F. Vaughn, Clarissa Z. Cooley, Jason P. Stockmann, Lawrence L. Wald, Matthew S. Rosen, Michael H. Lev, Monika Sliwiak, Patrick C. McDaniel, Sai Abitha Srinivas, Stephen Cauley

arxiv:2004.13183 v1 · 2020-04-27 · eess.IV · 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{ZMKTCK5C653CLHKA6GXDDCR66A}

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	2026-05-25T02:00:59.503025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb15312ba2f776259d40f1ae318a3ef03c32f9a517850e7250fbd5838397f927

Aliases

arxiv: 2004.13183 · arxiv_version: 2004.13183v1 · doi: 10.48550/arxiv.2004.13183 · pith_short_12: ZMKTCK5C653C · pith_short_16: ZMKTCK5C653CLHKA · pith_short_8: ZMKTCK5C

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/ZMKTCK5C653CLHKA6GXDDCR66A \
  | 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: cb15312ba2f776259d40f1ae318a3ef03c32f9a517850e7250fbd5838397f927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bdd5ed15124533b6882992147588e977e1935b60d52ebea9219d5fa0742217c",
    "cross_cats_sorted": [
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-04-27T21:27:07Z",
    "title_canon_sha256": "2625cf33c2db21f3d4ebcc05fc484df1cf3140812128f36e052551dfb2892c50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13183",
    "kind": "arxiv",
    "version": 1
  }
}