{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001019},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001335","480:4800001017","495:4950001334","495:4950001170","480:4800001121","480:4800000858","495:4950001224","495:4950001108","480:4800000389","480:4800001062","480:4800000860","480:4800000901","480:4800001117","480:4800000821","480:4800000900","480:4800000452","480:4800001063","480:4800001015","495:4950001561","480:4800000981","480:4800000635","495:4950001009","495:4950001062","495:4950001115","495:4950001281"],"twin_admin_codes":[495,480,495,495,480,480,495,495,480,480,480,480,480,480,480,480,480,480,495,480,480,495,495,495,495],"twin_sims":[0.8937150948298125,0.882596456533018,0.8799021258657425,0.8762646199819659,0.8482884455168566,0.8454714634251934,0.8325249832413507,0.831203035359826,0.8295047986365152,0.824037356691348,0.8184921603328505,0.801558899424147,0.8004251031052567,0.7983290098037392,0.7942609977511754,0.7881587122530852,0.7870681301297225,0.7868046262243045,0.7866508966323049,0.766056110780745,0.7627464928366743,0.7597685651689857,0.7582924319956378,0.7548640856199753,0.7532252419501503],"twin_dists":[0.06156879221643006,0.06490793656351353,0.06569764793691436,0.0667527464333327,0.07450190913271208,0.07525122409281183,0.07863405202048777,0.07897419447428433,0.07940980815890909,0.08080226878843277,0.08219966743062897,0.08638300079341742,0.08665895258299933,0.08716783817579783,0.088150849816392,0.08961448753791829,0.08987473388965403,0.08993755502149053,0.08997419465839505,0.09481724596561276,0.09558436752171144,0.09627220226722194,0.0966123336682595,0.0974002486730878,0.09777590573647743],"n_dims_used":42,"mean_confidence":0.9000816345214844},"coverage":{"mean_confidence":0.9000816345214844,"n_dims_used":42,"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}}