Pith Number

pith:HYY2CVBC

pith:2026:HYY2CVBCMKCLVH5CDDSKVEFK3M

not attested not anchored not stored refs pending

Evaluating self-supervised echocardiographic representations across downstream extraction strategies for left-ventricular segmentation and ejection fraction estimation

Philip Teare, Sylwia Majchrowska

arxiv:2606.22943 v1 · 2026-06-22 · 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{HYY2CVBCMKCLVH5CDDSKVEFK3M}

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	2026-06-23T03:14:04.899387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e31a154226284ba9fa218e4aa90aadb14efbc1ec4db5ae87113486b4773d41a

Aliases

arxiv: 2606.22943 · arxiv_version: 2606.22943v1 · doi: 10.48550/arxiv.2606.22943 · pith_short_12: HYY2CVBCMKCL · pith_short_16: HYY2CVBCMKCLVH5C · pith_short_8: HYY2CVBC

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/HYY2CVBCMKCLVH5CDDSKVEFK3M \
  | 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: 3e31a154226284ba9fa218e4aa90aadb14efbc1ec4db5ae87113486b4773d41a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "807635d77ee9ece10bc33f8504946282514a7639ab9110cf854caa8abb6c318b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-22T07:21:43Z",
    "title_canon_sha256": "88b3ee172eff914b0e2f07d2246123f7f41876cd0bf4f9771f38557b66226e9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22943",
    "kind": "arxiv",
    "version": 1
  }
}