Pith Number

pith:QJJBFYNX

pith:2019:QJJBFYNXPVSTX7LHX72UPXPUD4

not attested not anchored not stored refs pending

Alzheimer's Disease Brain MRI Classification: Challenges and Insights

Joie Yeahuay Wu, Madalina Fiterau, Ritesh Kumar, Yi Ren Fung, Ziqiang Guan

arxiv:1906.04231 v1 · 2019-06-10 · eess.IV · cs.CV

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

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	2026-05-17T23:43:39.869833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

825212e1b77d653bfd67bff547ddf41f3e5083bc5ebfeecec4d739eb4379eb50

Aliases

arxiv: 1906.04231 · arxiv_version: 1906.04231v1 · doi: 10.48550/arxiv.1906.04231 · pith_short_12: QJJBFYNXPVST · pith_short_16: QJJBFYNXPVSTX7LH · pith_short_8: QJJBFYNX

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/QJJBFYNXPVSTX7LHX72UPXPUD4 \
  | 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: 825212e1b77d653bfd67bff547ddf41f3e5083bc5ebfeecec4d739eb4379eb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74cf1307c449448e4eb32f6409ab11ca978da7776d86c52add47be4443d5eee",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-06-10T19:04:00Z",
    "title_canon_sha256": "694f9df4c8f66b834f7d0c9a8b92a03367c9a6d0c927c65837d183dbc213f200"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04231",
    "kind": "arxiv",
    "version": 1
  }
}