Pith Number

pith:INE7KYFB

pith:2022:INE7KYFBKBDND3LRPE2TJYSK2K

not attested not anchored not stored refs pending

Self-supervised contrastive learning of echocardiogram videos enables label-efficient cardiac disease diagnosis

Bobak J. Mortazavi, Evangelos K. Oikonomou, Gregory Holste, Rohan Khera, Zhangyang Wang

arxiv:2207.11581 v2 · 2022-07-23 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INE7KYFBKBDND3LRPE2TJYSK2K}

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	2026-07-05T08:50:05.889977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4349f560a15046d1ed71793534e24ad2b8b63d82aa782ecddc2ea3d47fa1d468

Aliases

arxiv: 2207.11581 · arxiv_version: 2207.11581v2 · doi: 10.48550/arxiv.2207.11581 · pith_short_12: INE7KYFBKBDN · pith_short_16: INE7KYFBKBDND3LR · pith_short_8: INE7KYFB

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/INE7KYFBKBDND3LRPE2TJYSK2K \
  | 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: 4349f560a15046d1ed71793534e24ad2b8b63d82aa782ecddc2ea3d47fa1d468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3152b55249870238c3acef409fc9e40814aaf3e6f4d7573c42f724fdc3de6133",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-07-23T19:17:26Z",
    "title_canon_sha256": "64b658c8226361bd5935872008d2035115e89920494fa2b6b18b5de071161922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.11581",
    "kind": "arxiv",
    "version": 2
  }
}