Pith Number

pith:6FMSZZCM

pith:2025:6FMSZZCM3VN6XO5LBDU2WQDQ44

not attested not anchored not stored refs pending

Data distribution impacts the performance and generalisability of contrastive learning-based foundation models of electrocardiograms

Ahmed El-Medany, Antonio H. Ribeiro, Antonio Luiz Pinho Ribeiro, Arunashis Sau, Boroumand Zeidaabadi, Daniel B. Kramer, Evan Brittain, Fu Siong Ng, Gul Rukh Khattak, Hesham Aggour, Jeffrey Annis, Jonathan W. Waks, Joseph Barker, Junbo Ge, Konstantinos Patlatzoglou, Libor Pastika, Nicholas Peters, Yixiu Liang

arxiv:2509.10369 v1 · 2025-09-12 · cs.LG · cs.AI · eess.SP · q-bio.TO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6FMSZZCM3VN6XO5LBDU2WQDQ44}

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	2026-07-05T12:11:08.617979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1592ce44cdd5bebbbab08e9ab4070e72b5951e88925e66cd11c9ad23d3722f3

Aliases

arxiv: 2509.10369 · arxiv_version: 2509.10369v1 · doi: 10.48550/arxiv.2509.10369 · pith_short_12: 6FMSZZCM3VN6 · pith_short_16: 6FMSZZCM3VN6XO5L · pith_short_8: 6FMSZZCM

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/6FMSZZCM3VN6XO5LBDU2WQDQ44 \
  | 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: f1592ce44cdd5bebbbab08e9ab4070e72b5951e88925e66cd11c9ad23d3722f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11c45117e5ef68dd17de73a5eecb562305375991c55c9bd735ba162a57078bad",
    "cross_cats_sorted": [
      "cs.AI",
      "eess.SP",
      "q-bio.TO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-12T16:01:18Z",
    "title_canon_sha256": "149a1caa863ed4fa520e4d2bb047aba7c94d5fb70f0912c8a0a697789317e205"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10369",
    "kind": "arxiv",
    "version": 1
  }
}