{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008346},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010051","490:4900010843","490:4900011565","490:4900010237","490:4900011374","490:4900009437","490:4900011375","490:4900011004","490:4900010998","490:4900010925","490:4900011442","490:4900007774","490:4900011234","490:4900011501","490:4900011895","490:4900007773","490:4900011833","490:4900009747","490:4900011084","490:4900010024","490:4900011305","490:4900011437","490:4900008120","490:4900011159","490:4900011690"],"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":[0.16343944833239885,0.14689460086701978,0.14358843109035674,0.13491788903410032,0.13030354744227418,0.12254661335618505,0.12172531893635105,0.11670232953900496,0.11340463586139635,0.10685095855957617,0.10427892448317566,0.10227325057998053,0.1012968390554362,0.09903133275383098,0.09473003382328142,0.09399019138176129,0.09303021232401244,0.09300644313778358,0.09248235857320039,0.08445871756838036,0.08313211815222449,0.0824048691524923,0.08152651405974287,0.08068674134345047,0.0795134607416331],"twin_dists":[0.24719265407971228,0.25437104158812923,0.2558760892344494,0.259949482838101,0.26219781046021545,0.2661168369440634,0.26654271464916796,0.269196246840039,0.2709863471950489,0.27466659872151045,0.2761588507660721,0.2773425276823376,0.277925338228553,0.27929471421906454,0.28196371437538775,0.2824323623208513,0.28304481027572903,0.2830600377053852,0.2833965693174972,0.28874766757568016,0.28967101252856625,0.2901822003462528,0.2908044343178696,0.29140437486060594,0.2922510129064232],"n_dims_used":45,"mean_confidence":0.8959778679741753},"coverage":{"mean_confidence":0.8959778679741753,"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}}