Pith Number

pith:UU7MAII7

pith:2020:UU7MAII7D2I5RCBDWRIQHXSDY2

not attested not anchored not stored refs pending

TADPOLE Challenge: Accurate Alzheimer's disease prediction through crowdsourced forecasting of future data

Alexandra L. Young, Arthur W. Toga, Daniel C. Alexander, Esther E. Bron, Frederik Barkhof, Michael W. Weiner, Neil P. Oxtoby, Nick C. Fox, Polina Golland, Razvan V. Marinescu, Stefan Klein

arxiv:2001.09016 v1 · 2020-01-23 · q-bio.PE · eess.IV · 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{UU7MAII7D2I5RCBDWRIQHXSDY2}

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	2026-07-05T00:35:38.764723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a53ec0211f1e91d88823b45103de43c69210275c90b1106661b46ac9f53ba447

Aliases

arxiv: 2001.09016 · arxiv_version: 2001.09016v1 · doi: 10.48550/arxiv.2001.09016 · pith_short_12: UU7MAII7D2I5 · pith_short_16: UU7MAII7D2I5RCBD · pith_short_8: UU7MAII7

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/UU7MAII7D2I5RCBDWRIQHXSDY2 \
  | 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: a53ec0211f1e91d88823b45103de43c69210275c90b1106661b46ac9f53ba447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89400ad71525ab347284d0741226b08c6d7383cb6bd330c56c8d1d0f91cfd648",
    "cross_cats_sorted": [
      "eess.IV",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-01-23T16:06:12Z",
    "title_canon_sha256": "4a54a9ef6df82392673eba5bd1b58414c4e2b2832dea66011d121930c2ffc408"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09016",
    "kind": "arxiv",
    "version": 1
  }
}