Pith Number

pith:OXAKDRQA

pith:2025:OXAKDRQA4HTF33AQJ373CMNJ6X

not attested not anchored not stored refs pending

FreqU-FNet: Frequency-Aware U-Net for Imbalanced Medical Image Segmentation

Ruiqi Xing

arxiv:2505.17544 v1 · 2025-05-23 · 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{OXAKDRQA4HTF33AQJ373CMNJ6X}

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	2026-07-05T11:08:27.936229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75c0a1c600e1e65dec104effb131a9f5cce3018e161bbbf8bd4e647cdc521a1a

Aliases

arxiv: 2505.17544 · arxiv_version: 2505.17544v1 · doi: 10.48550/arxiv.2505.17544 · pith_short_12: OXAKDRQA4HTF · pith_short_16: OXAKDRQA4HTF33AQ · pith_short_8: OXAKDRQA

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/OXAKDRQA4HTF33AQJ373CMNJ6X \
  | 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: 75c0a1c600e1e65dec104effb131a9f5cce3018e161bbbf8bd4e647cdc521a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ba3a0699d8b5073455a373146651b020a7e8eac96f7a5fda807e2a7a98b773a",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-05-23T06:51:24Z",
    "title_canon_sha256": "be4dcc032e251e0ca8300932b409d91d6462e95390820b7beb6e0963d33427ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.17544",
    "kind": "arxiv",
    "version": 1
  }
}