Pith Number

pith:PCKENG4W

pith:2023:PCKENG4WDPZVEROQ5LKM2Q4A52

not attested not anchored not stored refs pending

Regional Deep Atrophy: a Self-Supervised Learning Method to Automatically Identify Regions Associated With Alzheimer's Disease Progression From Longitudinal MRI

David A. Wolk, Jiancong Wang, Laura E.M. Wisse, Long Xie, Mengjin Dong, Paul A. Yushkevich (for the Alzheimer's Disease Neuroimaging Initiative), Robin deFlores, Sandhitsu R. Das

arxiv:2304.04673 v1 · 2023-04-10 · q-bio.NC · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCKENG4WDPZVEROQ5LKM2Q4A52}

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	2026-07-05T05:59:28.892107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7894469b961bf35245d0ead4cd4380ee8aedbf5389214caefd7b42d5e109d2e3

Aliases

arxiv: 2304.04673 · arxiv_version: 2304.04673v1 · doi: 10.48550/arxiv.2304.04673 · pith_short_12: PCKENG4WDPZV · pith_short_16: PCKENG4WDPZVEROQ · pith_short_8: PCKENG4W

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/PCKENG4WDPZVEROQ5LKM2Q4A52 \
  | 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: 7894469b961bf35245d0ead4cd4380ee8aedbf5389214caefd7b42d5e109d2e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce80549a491cd7d7186dd23808a2df1f87d644e72e18d26bbe4d10cc99912e4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2023-04-10T15:50:19Z",
    "title_canon_sha256": "fca65cbedb49a9e95130f0ff273aae0ea05cc4910f9c812de1100d65b30f65d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.04673",
    "kind": "arxiv",
    "version": 1
  }
}