{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012265},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012833","490:4900013071","490:4900012336","490:4900012628","490:4900012556","487:4870001247","487:4870001265","490:4900012685","494:4940008014","490:4900012555","490:4900013032","490:4900012211","490:4900012330","487:4870001471","490:4900012751","487:4870002340","490:4900012701","490:4900013039","490:4900000799","487:4870002005","490:4900001007","490:4900012754","490:4900001056","490:4900011470","490:4900013214"],"twin_admin_codes":[490,490,490,490,490,487,487,490,494,490,490,490,490,487,490,487,490,490,490,487,490,490,490,490,490],"twin_sims":[0.1685295284745833,0.13088044900182402,0.05719711500175047,0.053605608217264275,0.04381174820670745,0.038555355017508564,0.03800022814283109,0.036909574141108195,0.036172316463776714,0.03450660307076059,0.03230155491015912,0.030447427138004305,0.02891041080373811,0.027820286052158444,0.02468532761862237,0.023475146980249904,0.02126389217255959,0.020929385527855553,0.02091663155083767,0.020670106593794507,0.020462429094552793,0.020341085994959457,0.01873792517682806,0.018566834446675,0.018121952987502094],"twin_dists":[0.24509103795119305,0.2619134691019754,0.31068256700551966,0.31418362317293397,0.3248344114171362,0.33140448710518117,0.33214181293376144,0.3336174159175944,0.33463598565475045,0.3370038783560559,0.3402929625669631,0.3432105665227264,0.3457469373623904,0.3476170078375288,0.35337061568739436,0.3557618996941449,0.36042193627593655,0.3611632305928592,0.361191698042353,0.3617449444046487,0.36221548869198694,0.36249235079357206,0.3662923696896891,0.3667145178558374,0.3678283577468555],"n_dims_used":45,"mean_confidence":0.9070904201931423},"coverage":{"mean_confidence":0.9070904201931423,"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}}