Pith Number

pith:FDGTQCIQ

pith:2013:FDGTQCIQH2HFG3Q57DCMSBCOAK

not attested not anchored not stored refs pending

The Smartphone Brain Scanner: A Mobile Real-time Neuroimaging System

Arkadiusz Stopczynski, Carsten Stahlhut, Jakob Eg Larsen, Lars Kai Hansen, Michael Kai Petersen

arxiv:1304.0357 v1 · 2013-04-01 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDGTQCIQH2HFG3Q57DCMSBCOAK}

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	2026-05-18T02:57:24.038274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28cd3809103e8e536e1df8c4c9044e02a6990eb9a49ef10a9df8b1a3869b0a66

Aliases

arxiv: 1304.0357 · arxiv_version: 1304.0357v1 · doi: 10.48550/arxiv.1304.0357 · pith_short_12: FDGTQCIQH2HF · pith_short_16: FDGTQCIQH2HFG3Q5 · pith_short_8: FDGTQCIQ

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/FDGTQCIQH2HFG3Q57DCMSBCOAK \
  | 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: 28cd3809103e8e536e1df8c4c9044e02a6990eb9a49ef10a9df8b1a3869b0a66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc4eed29f79b1344f7218f2415adb425548dc54ec34b0e8180cf97aa79363b76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2013-04-01T13:51:52Z",
    "title_canon_sha256": "82c5ad3716529cc4fe9a99265fe3befeae317326edec029fd5b229b2716fc2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0357",
    "kind": "arxiv",
    "version": 1
  }
}