{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005565},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006562","490:4900007659","490:4900005695","490:4900007176","490:4900005696","490:4900007291","490:4900006810","490:4900006801","490:4900007056","490:4900006202","490:4900005828","490:4900007405","490:4900005568","490:4900007067","490:4900007654","491:4910001072","490:4900007419","490:4900006557","490:4900006910","490:4900006934","490:4900007057","490:4900007297","490:4900004879","490:4900006691","490:4900006080"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490],"twin_sims":[0.0770723459690938,0.0408871194228763,0.030040849702194488,0.025515959506291923,0.018215521021785867,0.017889051635706043,0.017718556813743184,0.015029305535987152,0.01121944373566953,0.01007637494435067,0.008633967140052384,0.008391788361076454,0.005375486940961464,0.004965967250263233,0.004542387348185041,0.00450680873735534,0.004469853943027815,0.004169853847912436,0.003887441295484975,0.003759491597307308,0.00369949061688318,0.0034705357414449764,0.003415529643810115,0.0030711128130657735,0.0028146324534185484],"twin_dists":[0.2940451747034918,0.32840223181093375,0.3438706186390529,0.3517873468872926,0.36759212195637386,0.3684210449569207,0.3688592191362878,0.37631133397049527,0.38919494167115487,0.3938244068142011,0.4003864753322025,0.4015832398398605,0.4198746410685189,0.4230459704613988,0.42658589826415,0.4268967077284675,0.42722190570481977,0.4299561267748967,0.43269860597248827,0.43400126715334475,0.4346260977954182,0.4370984209885241,0.4377145071046667,0.44179151820165585,0.4451086347293058],"n_dims_used":45,"mean_confidence":0.8998691982693142},"coverage":{"mean_confidence":0.8998691982693142,"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}}