{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010408},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012038","490:4900011704","490:4900011706","490:4900009852","490:4900012035","490:4900011826","490:4900011836","490:4900008779","490:4900008894","490:4900011830","490:4900011577","490:4900007884","490:4900010924","490:4900010565","490:4900009840","490:4900012162","490:4900010481","490:4900009005","490:4900011771","490:4900011760","490:4900011902","490:4900010923","490:4900011835","490:4900010925","490:4900011001"],"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":[0.21409835663000065,0.1324119903004569,0.13035757594876735,0.09767830839028017,0.09351003354020926,0.08221700745152076,0.07316316964188684,0.07131227444620108,0.06933612792046438,0.06019527107182108,0.05510313260730419,0.045289632169316994,0.04524935976841958,0.045155766069848384,0.04281555404617923,0.0379575336037931,0.037212416820064986,0.037194266257694196,0.03287835236369528,0.030131890101693027,0.02797758132626135,0.02693683372944156,0.025413528216023197,0.022619634795078118,0.02231173523041002],"twin_dists":[0.2280264452114005,0.26116316454183935,0.26217114080377085,0.2801242923327609,0.2827380735772586,0.2903148354763866,0.29701606009310644,0.298467668037103,0.30005162162504656,0.30789630881742414,0.31270091035729897,0.32310711207949355,0.3231535499031301,0.32326160614599897,0.32602655291439403,0.3321988972801748,0.333204015840187,0.3332287120050825,0.33941453378534675,0.3437221580847626,0.3473433254237632,0.34917937105793734,0.35198016258649023,0.3575176881869256,0.35816372037944666],"n_dims_used":45,"mean_confidence":0.8921947903103299},"coverage":{"mean_confidence":0.8921947903103299,"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}}