Pith Number

pith:U4NTMYW2

pith:2025:U4NTMYW2IDTOSY5BQF656ELLGF

not attested not anchored not stored refs pending

DCD: A Semantic Segmentation Model for Fetal Ultrasound Four-Chamber View

Bocheng Liang, Donglian Li, Hui Guo, Huizhen Chen, Jialing Chen, Minglang Chen, Pengchen Liang, Ying Tan

arxiv:2506.08534 v1 · 2025-06-10 · eess.IV · cs.AI · 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{U4NTMYW2IDTOSY5BQF656ELLGF}

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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	2026-07-05T11:18:51.423096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a71b3662da40e6e963a1817ddf116b3178bf01a5de6d25a26ef9a97e4c307a3f

Aliases

arxiv: 2506.08534 · arxiv_version: 2506.08534v1 · doi: 10.48550/arxiv.2506.08534 · pith_short_12: U4NTMYW2IDTO · pith_short_16: U4NTMYW2IDTOSY5B · pith_short_8: U4NTMYW2

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/U4NTMYW2IDTOSY5BQF656ELLGF \
  | 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: a71b3662da40e6e963a1817ddf116b3178bf01a5de6d25a26ef9a97e4c307a3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6e392e29a5156fd8b5e02563112ee1edfd6dbe578402521cbea854b4caa034",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-06-10T07:54:03Z",
    "title_canon_sha256": "c27caabc214b9191879009fb1565e069cec32bc362df7889ceb1f82e8ce6d475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08534",
    "kind": "arxiv",
    "version": 1
  }
}