Pith Number

pith:2QXKYHLN

pith:2019:2QXKYHLNDVNPE2QZQEXEBJWJON

not attested not anchored not stored refs pending

Sex differences in predicting fluid intelligence of adolescent brain from T1-weighted MRIs

Andrea Hawkins-Daarud, Kristin R. Swanson, Kyle W. Singleton, Lee Curtin, Pamela R. Jackson, Sara Ranjbar, Susan Christine Massey

arxiv:1908.02333 v1 · 2019-08-06 · q-bio.NC · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QXKYHLNDVNPE2QZQEXEBJWJON}

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	2026-07-04T23:52:07.565651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42eac1d6d1d5af26a19812e40a6c97340bfb91f906be49496a44f36f8307cc1

Aliases

arxiv: 1908.02333 · arxiv_version: 1908.02333v1 · doi: 10.48550/arxiv.1908.02333 · pith_short_12: 2QXKYHLNDVNP · pith_short_16: 2QXKYHLNDVNPE2QZ · pith_short_8: 2QXKYHLN

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/2QXKYHLNDVNPE2QZQEXEBJWJON \
  | 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: d42eac1d6d1d5af26a19812e40a6c97340bfb91f906be49496a44f36f8307cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74c78f61a10e0581d3df627bc45a7a1235ae719e618c59463fc82db3665cf942",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2019-08-06T19:09:02Z",
    "title_canon_sha256": "6b47503af15bc625a1230597af8f3c9be64cdc1f3ced0197cf94df2f7f9b7a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02333",
    "kind": "arxiv",
    "version": 1
  }
}