{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007032},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007644","491:4910003057","480:4800002407","491:4910003318","491:4910003056","491:4910003439","491:4910003009","491:4910002709","480:4800003576","491:4910003104","480:4800002456","480:4800003701","480:4800003027","492:4920001457","480:4800003070","480:4800003514","480:4800003771","491:4910002960","492:4920000194","491:4910002411","492:4920002218","492:4920002763","491:4910003481","491:4910002710","491:4910003443"],"twin_admin_codes":[490,491,480,491,491,491,491,491,480,491,480,480,480,492,480,480,480,491,492,491,492,492,491,491,491],"twin_sims":[0.12561135237319146,0.04262639638686716,0.027249901471944553,0.024668748377326633,0.022956451362025582,0.022869582667535086,0.020298111425784447,0.019894240045630847,0.019397578312162083,0.019239083507524724,0.019211806652758977,0.01828653696209433,0.017559092576312448,0.01732502796610079,0.016330878822686794,0.016014967393642963,0.015127993366141491,0.014508504687741362,0.013679750071954358,0.012434141902448891,0.011915604138542438,0.011240749099140284,0.01055501455625827,0.010406617241372419,0.01039751503907546],"twin_dists":[0.264546561251497,0.3262555477613358,0.34862073775893715,0.3534026834893363,0.35681966693367,0.356998839461954,0.3625907488390268,0.3635244683330203,0.3646956565945037,0.36507491848511137,0.3651404642554223,0.3674135324065147,0.3692724002792335,0.3698848709885506,0.37256993267757726,0.3734532484620397,0.3760178580456577,0.3778887980418732,0.38050514767732535,0.38471397789102574,0.3865770986046982,0.38911271135120484,0.3918317465510029,0.3924407908554845,0.3924783988038108],"n_dims_used":45,"mean_confidence":0.8957371181911893},"coverage":{"mean_confidence":0.8957371181911893,"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}}