Pith Number

pith:BRCTYTXV

pith:2019:BRCTYTXVBZNG7PTVT6RICV3PKZ

not attested not anchored not stored refs pending

Interpretable brain age prediction using linear latent variable models of functional connectivity

Aapo Hyvarinen, Alex Gibberd, Matt Nunes, Motoaki Kawanabe, Ricardo Pio Monti, Robert Leech, Romy Lorenz, Sandipan Roy, Takeshi Ogawa

arxiv:1908.01555 v1 · 2019-08-05 · stat.AP · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRCTYTXVBZNG7PTVT6RICV3PKZ}

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	2026-07-05T01:14:27.122016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c453c4ef50e5a6fbe759fa281576f56445e07271b76d480da960871f1c27d75

Aliases

arxiv: 1908.01555 · arxiv_version: 1908.01555v1 · doi: 10.48550/arxiv.1908.01555 · pith_short_12: BRCTYTXVBZNG · pith_short_16: BRCTYTXVBZNG7PTV · pith_short_8: BRCTYTXV

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/BRCTYTXVBZNG7PTVT6RICV3PKZ \
  | 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: 0c453c4ef50e5a6fbe759fa281576f56445e07271b76d480da960871f1c27d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9559f2a6ead08eaa6ab7acd5d2c8bb890bbe3a8d243a612a19f7d525f9c5eeb4",
    "cross_cats_sorted": [
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-08-05T10:42:47Z",
    "title_canon_sha256": "0015c9e615951defc461338dafca1b530ae110c404d5835a2b6e172cc56b10b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01555",
    "kind": "arxiv",
    "version": 1
  }
}