{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008087},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009400","490:4900010004","490:4900010199","490:4900008976","490:4900010888","490:4900008197","490:4900009807","490:4900009611","490:4900008637","490:4900002272","490:4900009080","490:4900010101","490:4900011051","490:4900008866","490:4900009895","466:4660004645","490:4900010731","490:4900008302","490:4900009901","490:4900008518","490:4900010552","490:4900009192","490:4900007976","490:4900010100","490:4900009493"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490,490,490,490,490,490,490,490,490],"twin_sims":[0.486232275495712,0.4615124315262766,0.4448747037491264,0.4177502677049556,0.4041635397308599,0.3915725270774178,0.34981393304864133,0.3403265168277751,0.3300958923919754,0.3086061928006566,0.30719718468944,0.2958805256524391,0.2843544650777212,0.2705881888775298,0.2608996356149462,0.2574835086698453,0.25730779213875005,0.25682395605082764,0.2493486827066688,0.24599541626094693,0.24495448945560822,0.22986651821309298,0.2272621979284576,0.22466264766423105,0.2242355167312953],"twin_dists":[0.15596502065050208,0.16150938593344766,0.16529941901894118,0.17159870003775285,0.17481855518593015,0.17784598273278523,0.18823772576326978,0.19068562841106454,0.19336667673215274,0.19915220607816184,0.19953941268773673,0.20268739733015548,0.20596748242330387,0.20999200280606906,0.21290065146817344,0.21394231861381535,0.21399613416713953,0.2141444355717126,0.2164585807683838,0.21751106605385956,0.21783965434086466,0.22270778427704616,0.22356910297815644,0.22443539059103687,0.22457836600497535],"n_dims_used":45,"mean_confidence":0.9196736653645833},"coverage":{"mean_confidence":0.9196736653645833,"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}}