{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000497},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000409","490:4900000490","490:4900000403","490:4900000152","490:4900000402","490:4900000825","490:4900000493","490:4900000325","490:4900000710","490:4900000359","496:4960008368","490:4900000337","490:4900001091","490:4900000434","490:4900000218","490:4900000089","490:4900000599","490:4900000506","490:4900000436","490:4900000499","490:4900000414","490:4900000465","490:4900000248","490:4900000502","490:4900000140"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7993855499865457,0.7565581245898897,0.6520844907546931,0.5866240685807536,0.5531034838270197,0.5431898648512316,0.5417760599116946,0.5326407601896246,0.5206786421378516,0.5179091426735262,0.4751861356483368,0.4729728002705933,0.47212029078994994,0.46745178349379446,0.44332979406647277,0.44106831364372634,0.4350954596522191,0.4257745950844526,0.4234885197279706,0.4205441688439019,0.418251511974816,0.40795017024177566,0.38694857922066145,0.3754615691423561,0.3740119686192095],"twin_dists":[0.08691153897683128,0.09701127208301989,0.12010141207060826,0.13413854187473764,0.141343802947364,0.1434859026686622,0.14379194337072457,0.14577311453243513,0.1483780905141397,0.1489831282468978,0.15843076575938594,0.15892704415027603,0.15911840066425303,0.16016837399811065,0.16565401299993202,0.16617393799054053,0.16755216526372976,0.1697181982738396,0.17025241273061037,0.17094223551144674,0.17148078879949114,0.17391646208687878,0.17896906653633188,0.18178709339077223,0.18214566764713475],"n_dims_used":45,"mean_confidence":0.916166008843316},"coverage":{"mean_confidence":0.916166008843316,"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}}