Pith Number

pith:VHVYILIK

pith:2025:VHVYILIKDYJNYVNJSJQEGG36DA

not attested not anchored not stored refs pending

CALF: A Conditionally Adaptive Loss Function to Mitigate Class-Imbalanced Segmentation

Bashir Alam, Hergys Rexha, Janan Arslan, Kurt Benke, Masa Cirkovic, Md Kaf Shahrier, Mete Harun Akcay, Sebastien Lafond, Sepinoud Azimi

arxiv:2504.04458 v1 · 2025-04-06 · 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{VHVYILIKDYJNYVNJSJQEGG36DA}

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	2026-07-05T10:45:24.272060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9eb842d0a1e12dc55a99260431b7e1834d9846e2943f70fddc667f3c455bb12

Aliases

arxiv: 2504.04458 · arxiv_version: 2504.04458v1 · doi: 10.48550/arxiv.2504.04458 · pith_short_12: VHVYILIKDYJN · pith_short_16: VHVYILIKDYJNYVNJ · pith_short_8: VHVYILIK

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/VHVYILIKDYJNYVNJSJQEGG36DA \
  | 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: a9eb842d0a1e12dc55a99260431b7e1834d9846e2943f70fddc667f3c455bb12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce8b445781e9d3e12ee9def9ed3eb2612bd2492eaf11842ea5fe9021196a51df",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2025-04-06T12:03:33Z",
    "title_canon_sha256": "4d8cdfdc2da8a2f59b922122954e918d62f24d3e5b3b49a6e27b24f149dea939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04458",
    "kind": "arxiv",
    "version": 1
  }
}