{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001768},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800001824","480:4800001767","480:4800001329","480:4800001826","480:4800001491","480:4800001328","480:4800001652","480:4800001709","480:4800002110","480:4800001882","480:4800001653","480:4800001327","480:4800001390","480:4800001601","480:4800001945","480:4800001342","480:4800001599","480:4800001544","470:4700004894","480:4800001602","480:4800002204","480:4800001659","480:4800001598","480:4800001940","480:4800002163"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,470,480,480,480,480,480,480],"twin_sims":[0.633881630251574,0.5874984425703539,0.5054727687935553,0.4753688336059243,0.4617688020381738,0.46117153005782685,0.46053236041647766,0.4600219978662651,0.4435512546189964,0.43171387868783934,0.40714754883695087,0.4039969207998006,0.3851410929743401,0.3695238882914467,0.3663764884810318,0.35639772047600055,0.3368518196120982,0.32990293494079853,0.31322406401826447,0.27776135189981443,0.26766877783632653,0.26650444269949525,0.26012117798505463,0.2521813457846861,0.24623153888963004],"twin_dists":[0.12401388912540869,0.13395112378543242,0.15170998058845309,0.1583898349123973,0.161451377385541,0.16158653881011098,0.16173125025218543,0.1618468502876157,0.16560315334439393,0.1683357963513619,0.17410735944238404,0.17485833543549065,0.17940979728055675,0.18326020886684383,0.18404583360056911,0.18655944396795532,0.19159125126304502,0.19341767520722405,0.19789023703903438,0.20787976581721138,0.21086153675906122,0.21120996891601804,0.21313726504543742,0.21557653476775268,0.21743665407141782],"n_dims_used":43,"mean_confidence":0.9198014902514081},"coverage":{"mean_confidence":0.9198014902514081,"n_dims_used":43,"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}}