Pith Number

pith:44QS7IJ7

pith:2021:44QS7IJ7CT7MYQKALU6MF6FJBB

not attested not anchored not stored refs pending

Comparison of single and multitask learning for predicting cognitive decline based on MRI data

Jussi Tohka, Marzieh Zare, Mithilesh Prakash, Vandad Imani

arxiv:2109.10266 v1 · 2021-09-21 · cs.LG · cs.CV · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44QS7IJ7CT7MYQKALU6MF6FJBB}

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	2026-07-05T03:16:27.420143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7212fa13f14fecc41405d3cc2f8a908724e3c9ccb508a9dcab18cfa72d2d4ad

Aliases

arxiv: 2109.10266 · arxiv_version: 2109.10266v1 · doi: 10.48550/arxiv.2109.10266 · pith_short_12: 44QS7IJ7CT7M · pith_short_16: 44QS7IJ7CT7MYQKA · pith_short_8: 44QS7IJ7

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/44QS7IJ7CT7MYQKALU6MF6FJBB \
  | 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: e7212fa13f14fecc41405d3cc2f8a908724e3c9ccb508a9dcab18cfa72d2d4ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c12e307d36a1d69e53570dd13c0ac2b20779fed0188909880b3776b576df478",
    "cross_cats_sorted": [
      "cs.CV",
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-09-21T15:46:42Z",
    "title_canon_sha256": "326b708ef27d8d2780dcc8c47a1019683f28ea22710e47d3f42b723c03ff3702"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10266",
    "kind": "arxiv",
    "version": 1
  }
}