Add Spectra-AASIST3 submission for DFADD

submissions/spectra-aasist3.yaml

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+schema_version: 4
+system:
+  name: Spectra-AASIST3
+  slug: spectra-aasist3
+  description: 'Speech deepfake detector: a wav2vec 2.0 XLS-R-300m self-supervised front-end feeding a
+    single-layer MLP bridge (1024->128) into a KAN-enhanced AASIST (KAN-AASIST) 2-class classifier with
+    four-branch spectro-temporal graph attention and a KAN output layer. Pre-release lab260/Spectra-AASIST3
+    checkpoint. FP32, preemphasis (0.97), deterministic first-64600-sample window (no random crop). score
+    = output logit for class 1 (bona fide). Unpublished / pre-release model (no paper).
+
+    '
+  code: https://huggingface.co/lab260/Spectra-AASIST3
+  checkpoint: https://huggingface.co/lab260/Spectra-AASIST3
+  params_millions: 318.9489
+dataset:
+  id: SpeechAntiSpoofingBenchmarks/DFADD
+  revision: c578c836da3b522b27d3dd85f89309f1737e5d31
+  split: test
+scores:
+  eer_percent: 0.3973509933774834
+  n_trials: 3755
+  n_skipped: 0
+artifact:
+  scores_url: https://huggingface.co/lab260/Spectra-AASIST3/resolve/f16f47c2ac2d96b3dad6d3ec70595a70196f6411/.eval_results/SpeechAntiSpoofingBenchmarks/DFADD/scores.txt
+  scores_sha256: 06d842c0a0b95903be4f1fc6223b8c400fb6b0792896c523e58910355df165d4
+  bench_version: speech-spoof-bench==0.4.1
+submitter:
+  hf_username: korallll
+  contact: k.n.borodin@mtuci.ru
+submitted_at: '2026-06-24'
+notes: Spectra-AASIST3 (wav2vec2 XLS-R-300m SSL front-end + MLP bridge + KAN-AASIST). Preemphasis 0.97,
+  deterministic first-64600-sample window. score = logit class 1 (bona fide). Unpublished/pre-release
+  (no paper). Scores hosted in lab260/Spectra-AASIST3/.eval_results.
+reproduction:
+  reproduced_by: SpeechAntiSpoofingBenchmarks
+  reproduced_at: '2026-06-24'
+  reproduced_bench_version: speech-spoof-bench==0.4.1
+  match: scoring