{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012046},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011318","490:4900011576","490:4900011641","490:4900011584","490:4900011178","490:4900011522","490:4900011081","490:4900011387","490:4900011304","490:4900011097","490:4900011302","490:4900011385","490:4900011524","490:4900011980","490:4900012104","490:4900011520","490:4900011386","490:4900009735","490:4900011511","490:4900012120","490:4900011710","490:4900011635","490:4900010845","490:4900008339","490:4900011695"],"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":[0.17638208795138885,0.09103377234219152,0.0812739971223093,0.0654077889425987,0.06186731860370087,0.06022241143754584,0.05004046725311708,0.04925839419572531,0.045511259291433084,0.04241885521549267,0.04114663766755089,0.034288305714318415,0.0332899734046739,0.0306022013423003,0.029661665404004466,0.023888108046548447,0.02355061157768067,0.02158222749550176,0.021270890800708778,0.019914294639416737,0.016490570119938062,0.016075635935736823,0.0145198139133784,0.014030525104604985,0.01394763767859601],"twin_dists":[0.2419365228481954,0.28433465828694937,0.29098431207541164,0.30331262307328644,0.3063916817702854,0.3078716134176652,0.3178569362786664,0.3186917471482037,0.3228521731279141,0.3265077837137435,0.3280770970754612,0.3373213697062134,0.33879566812073786,0.3429612843215785,0.3444931385473984,0.35493414365374165,0.35560969817589666,0.3597258430877229,0.36040653543437007,0.3634777153115744,0.3721291202718137,0.3732824330812135,0.3778540168334666,0.3793811378422404,0.3796444809643982],"n_dims_used":45,"mean_confidence":0.8916904025607639},"coverage":{"mean_confidence":0.8916904025607639,"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}}