Pith Number

pith:K7IYYQWS

pith:2021:K7IYYQWS637BWCQMBOVFTLE5XD

not attested not anchored not stored refs pending

Disentangling Alzheimer's disease neurodegeneration from typical brain aging using machine learning

Ahmed Abdulkadir, Aristeidis Sotiras, Christos Davatzikos, Daniel Marcus, David A. Wolk (from the iSTAGING consortium, Dhivya Srinivasan, Elizabeth Mamourian, for the ADNI), Guray Erus, Gyujoon Hwang, Haochang Shou, Ilya M. Nasrallah, Jimit Doshi, John C. Morris, Marilyn S. Albert, Mohamad Habes, Murat Bilgel, Nick R. Bryan, Raymond Pomponio, Susan M. Resnick, Tanweer Rashid, Yong Fan

arxiv:2109.03723 v1 · 2021-09-08 · cs.LG · cs.CV · physics.med-ph · 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{K7IYYQWS637BWCQMBOVFTLE5XD}

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	2026-07-05T03:12:42.488678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d18c42d2f6fe1b0a0c0baa59ac9db8e82849a3f6432b8fb3998e4bbbd8b5eb

Aliases

arxiv: 2109.03723 · arxiv_version: 2109.03723v1 · doi: 10.48550/arxiv.2109.03723 · pith_short_12: K7IYYQWS637B · pith_short_16: K7IYYQWS637BWCQM · pith_short_8: K7IYYQWS

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/K7IYYQWS637BWCQMBOVFTLE5XD \
  | 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: 57d18c42d2f6fe1b0a0c0baa59ac9db8e82849a3f6432b8fb3998e4bbbd8b5eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d6fbc8fff1b135ea0a13b666762f73c9d50be8940e03e7a963457661ea9faa",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.med-ph",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-08T15:33:29Z",
    "title_canon_sha256": "0675a668ee49e2d739a3eb36cc36008e31e5f313d97a29786b31a53432f05f6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03723",
    "kind": "arxiv",
    "version": 1
  }
}