{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003769},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004339","490:4900003920","490:4900003500","490:4900003499","490:4900002964","491:4910001340","490:4900003378","490:4900002963","491:4910002159","490:4900004478","490:4900003915","490:4900005021","490:4900004205","490:4900003779","490:4900003912","490:4900004052","491:4910001626","490:4900003919","490:4900003376","490:4900005427","491:4910002207","490:4900004068","490:4900002970","490:4900003105","490:4900006553"],"twin_admin_codes":[490,490,490,490,490,491,490,490,491,490,490,490,490,490,490,490,491,490,490,490,491,490,490,490,490],"twin_sims":[0.22739163127732395,0.21234570705077016,0.2014484855891111,0.1823790952073302,0.15803120035100485,0.15701902279835875,0.11516956501291081,0.10831883957239936,0.1076974335867325,0.10318306810859232,0.09769774759803992,0.09582379692395991,0.09311410011724884,0.09030285145975886,0.08502727428106203,0.08252153923279497,0.08101166953681244,0.0797348633608779,0.07716738737306823,0.07698423934428669,0.0696191445643841,0.06933380032065901,0.06594540587176141,0.059374408305294495,0.059027999231356286],"twin_dists":[0.22352614211693148,0.22863367080201497,0.23248778138048562,0.2395941647209697,0.2494782277901224,0.2499122838275398,0.2700233804107642,0.2738274246402769,0.2741815933093911,0.27680336329009975,0.28011230994337305,0.2812761321113431,0.28299109315419696,0.28481248488351874,0.2883554781741144,0.29009994998015587,0.2911716529347909,0.2920904855265146,0.2939744725765762,0.29411078069890345,0.29982254273368175,0.3000535087748031,0.30285706033763377,0.3086475856515401,0.30896719536361733],"n_dims_used":45,"mean_confidence":0.8966691758897569},"coverage":{"mean_confidence":0.8966691758897569,"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}}