Pith Number

pith:BHGCKD4X

pith:2020:BHGCKD4XHAJDRIWQEUSID5DTQO

not attested not anchored not stored refs pending

Cognitive Biomarker Prioritization in Alzheimer's Disease using Brain Morphometric Data

Andrew J. Saykin, Bo Peng, Li Shen, Shannon L. Risacher, Xia Ning (for the Alzheimer's Disease Neuroimaging Initiative), Xiaohui Yao

arxiv:2002.07699 v5 · 2020-02-18 · q-bio.QM · cs.LG · eess.IV · 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{BHGCKD4XHAJDRIWQEUSID5DTQO}

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	2026-07-05T01:51:18.473783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09cc250f97381238a2d0252481f4738392603864b0ff6ab26bc2af24c68c81c3

Aliases

arxiv: 2002.07699 · arxiv_version: 2002.07699v5 · doi: 10.48550/arxiv.2002.07699 · pith_short_12: BHGCKD4XHAJD · pith_short_16: BHGCKD4XHAJDRIWQ · pith_short_8: BHGCKD4X

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/BHGCKD4XHAJDRIWQEUSID5DTQO \
  | 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: 09cc250f97381238a2d0252481f4738392603864b0ff6ab26bc2af24c68c81c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e02cda3370788b8088b86978171ce3a0df16d8fb52e4ab955be5ec5d9d8c60f",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2020-02-18T16:25:11Z",
    "title_canon_sha256": "efb1c3af2c5d3fea32dbf0c939125c296cad8762953c9450c2af65e305248ad2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.07699",
    "kind": "arxiv",
    "version": 5
  }
}