Pith Number

pith:G3EV6W3O

pith:2025:G3EV6W3OJDFFDD3OKC5IEVDYZ7

not attested not anchored not stored refs pending

Hierarchical Spatio-temporal Segmentation Network for Ejection Fraction Estimation in Echocardiography Videos

Dongfang Wang, Jian Yang, Tao Zhou, Yizhe Zhang

arxiv:2508.18681 v1 · 2025-08-26 · 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{G3EV6W3OJDFFDD3OKC5IEVDYZ7}

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	2026-07-05T11:59:29.218783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36c95f5b6e48ca518f6e50ba825478cffaea4817bb9cd93fe3a0f4a99dda209a

Aliases

arxiv: 2508.18681 · arxiv_version: 2508.18681v1 · doi: 10.48550/arxiv.2508.18681 · pith_short_12: G3EV6W3OJDFF · pith_short_16: G3EV6W3OJDFFDD3O · pith_short_8: G3EV6W3O

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/G3EV6W3OJDFFDD3OKC5IEVDYZ7 \
  | 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: 36c95f5b6e48ca518f6e50ba825478cffaea4817bb9cd93fe3a0f4a99dda209a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e794d77831f36e64b2aff078e58a49410c45ee74e4d8c7f9f802696c1573c71c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-26T05:04:49Z",
    "title_canon_sha256": "31d5b035275cb78f8821ddf92137135801314e3463aeb7581c733b537c47ca65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18681",
    "kind": "arxiv",
    "version": 1
  }
}