{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990001643},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990001650","499:4990001365","472:4720001976","499:4990001464","499:4990001738","499:4990002013","499:4990001462","499:4990002014","472:4720001787","472:4720001532","472:4720002420","472:4720002027","472:4720001783","472:4720002097","472:4720002350","472:4720002286","472:4720002489","472:4720001974","472:4720002099","472:4720002029","472:4720002228","472:4720002087","472:4720001718","499:4990001921","472:4720002234"],"twin_admin_codes":[499,499,472,499,499,499,499,499,472,472,472,472,472,472,472,472,472,472,472,472,472,472,472,499,472],"twin_sims":[0.9285746121063486,0.9077728152848527,0.9022323618750724,0.8992463291026578,0.8989362291830224,0.8968624125757628,0.8904050560079639,0.8769858996117139,0.860465954348536,0.8308442072672638,0.8281509163237496,0.8268226175213819,0.8167849188084658,0.8078600286656304,0.8072528970746929,0.7838503096000049,0.7759048369762652,0.7634825476655086,0.7625508535097837,0.7455995031803581,0.7400354568495358,0.7308351103736047,0.7295372323274729,0.724146046829881,0.7223128180354517],"twin_dists":[0.049998993602697515,0.05713330154139222,0.05891298709295594,0.05985460685249341,0.059951723972058266,0.06059805375979895,0.06257708087864454,0.0665445150560154,0.07120183938895583,0.07906636290857418,0.07975602207515223,0.08009478639932306,0.08262701765156417,0.0848402476026902,0.08498958674625377,0.09064033579965167,0.09251684542899356,0.09541400718140754,0.09562962492809919,0.09951584295499619,0.10077744373260533,0.10285000204807004,0.10314109362389007,0.10434704798901462,0.1047559866429247],"n_dims_used":45,"mean_confidence":0.9256422254774306},"coverage":{"mean_confidence":0.9256422254774306,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}