{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009316},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009317","490:4900009225","490:4900007803","490:4900009101","490:4900008370","491:4910005255","490:4900009740","490:4900009314","490:4900009413","490:4900009319","490:4900009228","490:4900009017","490:4900009235","490:4900008883","490:4900009124","490:4900008574","490:4900009422","490:4900009110","490:4900008464","490:4900007766","490:4900009326","490:4900009414","490:4900008889","490:4900008575","490:4900008997"],"twin_admin_codes":[490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.00874616596524682,0.0014998032929106572,0.0003135140557227988,0.0002875073896846923,0.00012957878391149562,0.00010681503604115361,0.00010360878421173211,0.00006899498356331095,0.000059504457732349824,0.00004786719847977875,0.00004579816073379632,0.00004198493361340499,0.00003109766106248425,0.000022768658921715066,0.000022624853572174326,0.000022278549728580744,0.00001957333482741607,0.000015448517215120805,0.00001271286036519216,0.000008996645211201837,0.000008900680993352576,0.000008099126394587034,0.000007805591144937479,0.000006654937016947639,0.000005620961417801729],"twin_dists":[0.3998421797250113,0.4683563327770042,0.521690356546444,0.5244827083504685,0.5495155617711912,0.5554138853981722,0.5563386600002058,0.5685322030121889,0.5729057715564866,0.5792774878850623,0.5805626845822024,0.5830829258875041,0.5917027464687658,0.6005238322579858,0.6007017690717933,0.6011347302517724,0.6047562621692473,0.6113212268184215,0.616675369635162,0.6260612775637016,0.6263501366297914,0.6288863943057614,0.6298757390061283,0.6341320925781591,0.6386077335358317],"n_dims_used":45,"mean_confidence":0.8838107638888889},"coverage":{"mean_confidence":0.8838107638888889,"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}}