{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002542},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001123","490:4900002378","490:4900001115","490:4900002069","490:4900002526","490:4900002528","490:4900002690","490:4900003793","490:4900002676","490:4900001915","490:4900001914","490:4900004504","490:4900003809","490:4900001916","490:4900003516","490:4900003121","490:4900002976","490:4900003658","490:4900001919","490:4900002380","490:4900002549","490:4900002377","490:4900003117","490:4900001769","490:4900002228"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5935652980333633,0.5726514193104734,0.4865490393306167,0.372570803610615,0.34089579381116647,0.331047092619304,0.3149862602799248,0.23680142402559898,0.23501671963069826,0.23412962467619952,0.20850492031030665,0.1879123600715263,0.18478501041637024,0.1831056963101753,0.18071869230758553,0.17544440235635667,0.16612790299872227,0.14753475790012133,0.14507290806210357,0.1434207060355074,0.13894948393424766,0.1189655610387997,0.11825204578917105,0.11754937808410751,0.11733544107770703],"twin_dists":[0.13265113985847665,0.1371364004447799,0.15589457260269313,0.1825028331745702,0.19053773015824282,0.19311551408711272,0.19741146437591248,0.22044512767481847,0.2210232261626231,0.22131164179702606,0.22997633814898766,0.23748071836955237,0.23866975099707963,0.23931408434493098,0.2402371662256864,0.2423078637819708,0.24607684062206206,0.2540825305235622,0.2551971776950465,0.25595312366610184,0.25803186736206846,0.26799003194038756,0.26836839630200304,0.2687427209267573,0.26885702973863335],"n_dims_used":45,"mean_confidence":0.9169342041015625},"coverage":{"mean_confidence":0.9169342041015625,"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}}