{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010221},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010028","490:4900010307","490:4900010304","490:4900010303","490:4900009823","490:4900010025","490:4900008008","490:4900009928","490:4900010910","490:4900010482","490:4900008789","490:4900010392","490:4900011139","490:4900011295","490:4900010819","490:4900012159","490:4900010662","490:4900011755","491:4910003839","490:4900011624","490:4900009622","491:4910004961","490:4900011428","490:4900012158","490:4900008340"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,491,490,490,490],"twin_sims":[0.640832298409922,0.6204702200498506,0.5913628623936228,0.5415579122522898,0.5238243887490025,0.509688323406529,0.502244711237312,0.4484121551062638,0.44770945695880665,0.42618095202085476,0.4142530994139799,0.36550148660407267,0.3523822909305326,0.32956077235018877,0.3216727710835187,0.30775892677245376,0.30705924910575944,0.27375825510088825,0.2554972181525794,0.2532753850004341,0.24859856818813247,0.24855731058474492,0.2309052569159361,0.22974661062520343,0.21652408739052248],"twin_dists":[0.12252162284531293,0.12688912465721416,0.13312299281384643,0.14383917794553802,0.1476917670691306,0.15078376189793047,0.1524206236529346,0.1644892535087273,0.16464999572631978,0.16962336485600996,0.17242305788914325,0.18426484357185713,0.18758108452079236,0.19350814875736336,0.19560843935390093,0.1993849192217635,0.1995773733954096,0.20905434693773806,0.21455200500555996,0.21523756000633829,0.2166932262057951,0.21670614526310614,0.22236604349584363,0.22274729891572548,0.22719153686620427],"n_dims_used":44,"mean_confidence":0.88416203585538},"coverage":{"mean_confidence":0.88416203585538,"n_dims_used":44,"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}}