Pith Number

pith:MAIOAI2X

pith:2021:MAIOAI2X6NQAFYXONVRYM2I3AA

not attested not anchored not stored refs pending

RCA-IUnet: A residual cross-spatial attention guided inception U-Net model for tumor segmentation in breast ultrasound imaging

Narinder Singh Punn, Sonali Agarwal

arxiv:2108.02508 v4 · 2021-08-05 · 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{MAIOAI2X6NQAFYXONVRYM2I3AA}

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	2026-07-05T03:53:48.746880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6010e02357f36002e2ee6d6386691b0020715fd9415e94a9de157e7e7d831084

Aliases

arxiv: 2108.02508 · arxiv_version: 2108.02508v4 · doi: 10.48550/arxiv.2108.02508 · pith_short_12: MAIOAI2X6NQA · pith_short_16: MAIOAI2X6NQAFYXO · pith_short_8: MAIOAI2X

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/MAIOAI2X6NQAFYXONVRYM2I3AA \
  | 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: 6010e02357f36002e2ee6d6386691b0020715fd9415e94a9de157e7e7d831084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94adb619a44ba968e80b2e6edf3a6cc1c124158a59d6d8bb68d87f31233bb458",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-05T10:35:06Z",
    "title_canon_sha256": "3c2cd9abbc07754cd9e7a9f3ff652aef01c789a693581f5c6816a3169e5ea5ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02508",
    "kind": "arxiv",
    "version": 4
  }
}