Pith Number

pith:QPAXS6DV

pith:2022:QPAXS6DVAFKMXL4AAX4L2XCE5B

not attested not anchored not stored refs pending

Similarity-based prediction of Ejection Fraction in Heart Failure Patients

Andres Azqueta-Gavaldon, Jamie Wallis, Luca Albergante, Robert D\"urichen, Thanusha Ananthakumar

arxiv:2203.07124 v1 · 2022-03-14 · cs.LG · q-bio.QM · 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{QPAXS6DVAFKMXL4AAX4L2XCE5B}

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	2026-07-05T04:04:59.958029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c17978750154cbaf8005f8bd5c44e868d7676d4936dad2781a38f1de4558ef

Aliases

arxiv: 2203.07124 · arxiv_version: 2203.07124v1 · doi: 10.48550/arxiv.2203.07124 · pith_short_12: QPAXS6DVAFKM · pith_short_16: QPAXS6DVAFKMXL4A · pith_short_8: QPAXS6DV

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/QPAXS6DVAFKMXL4AAX4L2XCE5B \
  | 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: 83c17978750154cbaf8005f8bd5c44e868d7676d4936dad2781a38f1de4558ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ebc2ae4e53e576746807a2ecf0622dc3a16926b0dd411d7b4af81850581f33c",
    "cross_cats_sorted": [
      "q-bio.QM",
      "stat.AP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-14T14:19:08Z",
    "title_canon_sha256": "6f3d1802118ab331fb13a0c73dd370e3b5c4e3da7eed6af4c5e2ed971c472382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07124",
    "kind": "arxiv",
    "version": 1
  }
}