{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011503},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011157","490:4900010842","490:4900011642","490:4900011440","490:4900007888","490:4900011767","490:4900010590","490:4900010505","490:4900008769","490:4900011893","490:4900010584","490:4900008901","490:4900008451","490:4900011004","490:4900011441","490:4900011894","490:4900011245","490:4900011700","490:4900011093","490:4900011090","490:4900011965","490:4900011080","490:4900012163","491:4910003892","490:4900011092"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490],"twin_sims":[0.19570045912718384,0.15030985735187347,0.12967080978928194,0.11984925765182444,0.07168943800692115,0.06698225384290322,0.057706281678510746,0.053507598246087494,0.05088020088602416,0.046198685629897145,0.04375469604576599,0.043614105020753094,0.04201278383644237,0.04056962742292154,0.039438060932286134,0.039051355164947926,0.03903619572696173,0.038858868687600356,0.03809816195871341,0.03601191188392572,0.03575460111948841,0.034818746996784534,0.0334496805939934,0.03321870264994808,0.03184079592465959],"twin_dists":[0.23457864020792915,0.25284240571710054,0.2625107666486982,0.26752382270404934,0.2981694135831665,0.3019869530051072,0.31020103246595726,0.3142818553160495,0.31697259067922795,0.3220679861971351,0.32490206719292997,0.32506910515565385,0.32700432407293717,0.3288023746130056,0.330250362174408,0.3307532567039061,0.3307730565522673,0.3310051489930859,0.3320110763704266,0.33485992732555836,0.3352209366661026,0.3365528547698925,0.33855730778679377,0.3389023534463721,0.3410043520118344],"n_dims_used":45,"mean_confidence":0.8911730448404948},"coverage":{"mean_confidence":0.8911730448404948,"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}}