{ "encoder": "ref_composition", "family": "non-learned reference", "weights": "none", "n_parameters": 0, "rule": "20 amino-acid frequencies, log length, length/600, fraction outside the 20-letter alphabet", "inputs_passed": "amino-acid sequence only", "hidden_size": 23, "task": "ec_classification", "ids_copied_from": "esm2_150m", "n_per_split": { "train": 6000, "valid": 1500, "test": 3000 }, "purpose": "downstream floor: what the task scores without any learned representation", "date": "2026-09-21 14:00" }