Pith Number

pith:BB2X2NU2

pith:2018:BB2X2NU242K3HMOH64ZSQGIO3P

not attested not anchored not stored refs pending

TADPOLE Challenge: Prediction of Longitudinal Evolution in Alzheimer's Disease

Alexandra L. Young, Arthur W. Toga, Daniel C. Alexander, Esther E. Bron, Frederik Barkhof, Michael W. Weiner, Neil P. Oxtoby, Nick C. Fox, Razvan V. Marinescu, Stefan Klein, the EuroPOND Consortium (for the Alzheimer's Disease Neuroimaging Initiative)

arxiv:1805.03909 v2 · 2018-05-10 · q-bio.PE · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BB2X2NU242K3HMOH64ZSQGIO3P}

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	2026-07-04T23:55:07.657248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08757d369ae695b3b1c7f73328190edbcbec16853460f05434d1241c02332563

Aliases

arxiv: 1805.03909 · arxiv_version: 1805.03909v2 · doi: 10.48550/arxiv.1805.03909 · pith_short_12: BB2X2NU242K3 · pith_short_16: BB2X2NU242K3HMOH · pith_short_8: BB2X2NU2

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/BB2X2NU242K3HMOH64ZSQGIO3P \
  | 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: 08757d369ae695b3b1c7f73328190edbcbec16853460f05434d1241c02332563

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56fcf5468b7ec64da8590a4c76c0242ede99cf9c423f82d8ccc243501de252a2",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2018-05-10T09:50:09Z",
    "title_canon_sha256": "2beb9016affa60e6235c350d34f2a63bd16ff3747fdb6066b351f85e3fb2892f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03909",
    "kind": "arxiv",
    "version": 2
  }
}