Pith Number

pith:OV4JENAR

pith:2026:OV4JENARJMT5F37YJKIWLZSEL4

not attested not anchored not stored refs pending

Uncertainty-Calibrated Explainable Artificial Intelligence for Fetal Ultrasound Plane Classification: A Systematic Review

Gustav Olaf Yunus Laitinen-Fredriksson Lundstr\"om-Imanov, \"Ozkan G\"unalp

arxiv:2601.00990 v2 · 2026-01-02 · eess.IV · 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{OV4JENARJMT5F37YJKIWLZSEL4}

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	2026-05-21T02:04:56.633942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75789234114b27d2eff84a9165e6445f22ad116df8756cf9f9798c954a84ad8b

Aliases

arxiv: 2601.00990 · arxiv_version: 2601.00990v2 · doi: 10.48550/arxiv.2601.00990 · pith_short_12: OV4JENARJMT5 · pith_short_16: OV4JENARJMT5F37Y · pith_short_8: OV4JENAR

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/OV4JENARJMT5F37YJKIWLZSEL4 \
  | 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: 75789234114b27d2eff84a9165e6445f22ad116df8756cf9f9798c954a84ad8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c62cf3b78d0f4cf8dd27a78bf9129524083095d1e19edd2fc906573038ea486",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2026-01-02T21:32:26Z",
    "title_canon_sha256": "a01456a6580a7ad50bcd43bc13ab096148691728b499e140db92959792163604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.00990",
    "kind": "arxiv",
    "version": 2
  }
}