{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000334},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000498","490:4900000493","496:4960008375","490:4900000482","487:4870002993","490:4900000357","487:4870003120","490:4900000499","490:4900000425","496:4960008263","490:4900000268","490:4900000669","490:4900000233","490:4900000166","490:4900000431","490:4900000338","490:4900000402","490:4900000076","496:4960007545","490:4900000674","490:4900000190","490:4900000403","490:4900001072","487:4870006424","490:4900000409"],"twin_admin_codes":[490,490,496,490,487,490,487,490,490,496,490,490,490,490,490,490,490,490,496,490,490,490,490,487,490],"twin_sims":[0.8771860032124729,0.655910270566638,0.5723639202423717,0.569340284491022,0.5360273914356096,0.5240382865173495,0.48551770363490904,0.4807949711891322,0.4768508253689171,0.47663760785129655,0.47406644960333266,0.4656815015765663,0.45025986405380874,0.4462115130812366,0.4439985771551041,0.43621495291995954,0.43104008503939023,0.4263844760120173,0.4256914992568083,0.42248414097181225,0.4213012907061249,0.42046843170404014,0.4180552401078685,0.4163577336014986,0.4107069872044926],"twin_dists":[0.06648666057401016,0.11927701225753153,0.13719815262817237,0.13784780242625927,0.14503788430546768,0.1476451342299126,0.1561239926555379,0.15717650143725495,0.15805800575512957,0.1581057260474691,0.1586817283613695,0.16056745355522287,0.1640670412434179,0.16499296932883273,0.16550045301376817,0.16729327714919986,0.16849223335772417,0.16957588157656642,0.16973759535212246,0.1704874983546793,0.17076465820135156,0.17096000652236684,0.1715269520329365,0.1719265936228486,0.17326203332570786],"n_dims_used":45,"mean_confidence":0.912247806125217},"coverage":{"mean_confidence":0.912247806125217,"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}}