Pith Number

pith:Q72WOTDF

pith:2018:Q72WOTDFDGVP3LHMVF4YZYUTVS

not attested not anchored not stored refs pending

Federated Learning in Distributed Medical Databases: Meta-Analysis of Large-Scale Subcortical Brain Data

Andre Altmann, Boris Gutman, Eduardo Romero, Marco Lorenzi, Paul M Thompson, Santiago Silva

arxiv:1810.08553 v4 · 2018-10-19 · stat.ML · cs.LG · q-bio.NC · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q72WOTDFDGVP3LHMVF4YZYUTVS}

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	2026-07-05T10:06:35.437891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f5674c6519aafdaceca9798ce293ac8299c23a8097512ae305329880389218

Aliases

arxiv: 1810.08553 · arxiv_version: 1810.08553v4 · doi: 10.48550/arxiv.1810.08553 · pith_short_12: Q72WOTDFDGVP · pith_short_16: Q72WOTDFDGVP3LHM · pith_short_8: Q72WOTDF

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/Q72WOTDFDGVP3LHMVF4YZYUTVS \
  | 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: 87f5674c6519aafdaceca9798ce293ac8299c23a8097512ae305329880389218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd9b7a95c109809ef5c7d8dd0e0b1f7147af999943049acb1dfb3a3a3d73aa8",
    "cross_cats_sorted": [
      "cs.LG",
      "q-bio.NC",
      "q-bio.QM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-10-19T15:36:35Z",
    "title_canon_sha256": "3421cfb1d5fa51caa5e511f2e98e8dcab011286c59cbdd5ca413b428de4a78d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08553",
    "kind": "arxiv",
    "version": 4
  }
}