{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011962},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010580","490:4900011829","490:4900011440","490:4900011900","490:4900011234","490:4900011082","490:4900011694","490:4900011005","490:4900011232","490:4900011432","490:4900010672","490:4900011002","490:4900011158","490:4900011833","490:4900011157","490:4900011894","490:4900011895","490:4900012168","490:4900011889","490:4900011565","490:4900011011","490:4900009940","490:4900010426","490:4900011320","490:4900011159"],"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":[0.4666472023886265,0.34325847046562724,0.2337136054499212,0.1847843370331025,0.17098879433408595,0.1598616356776468,0.15737683009509845,0.1519930418105422,0.14885530668347877,0.13227616221772498,0.12142464423836656,0.11834145149208626,0.11394355579699757,0.11089324356648178,0.10823373091445075,0.10699188935876043,0.10610056656035138,0.10171633352761596,0.10128147053310307,0.1011110520708026,0.10099254317705689,0.09815849172813572,0.09589980372176603,0.09403468727336045,0.0923267456930261],"twin_dists":[0.16034968836219998,0.1899253132335123,0.22144714627908824,0.23867000853812328,0.24409199039507262,0.2486983926711928,0.249758611311532,0.2520984260254978,0.2534902833284007,0.2612294419883443,0.2666991757281453,0.2683208904407301,0.2706910899956295,0.27237670033778927,0.2738758388421128,0.2745856430847047,0.27509905212503205,0.27767441071392573,0.2779345465722562,0.27803672932793827,0.27810786655243475,0.27982885209241026,0.28122858124873223,0.28240409467979993,0.2834967833644299],"n_dims_used":45,"mean_confidence":0.890855238172743},"coverage":{"mean_confidence":0.890855238172743,"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}}