{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003323},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002301","490:4900003744","490:4900003593","490:4900002750","490:4900004577","490:4900003457","490:4900002455","490:4900002601","490:4900003324","490:4900002919","490:4900003866","490:4900004008","490:4900003724","490:4900004441","490:4900003062","487:4870011579","487:4870011451","487:4870008390","490:4900002768","490:4900003060","490:4900003063","487:4870011466","490:4900004147","490:4900002908","487:4870010718"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,487,487,490,490,490,487,490,490,487],"twin_sims":[0.590207206812952,0.5889143296128229,0.5704883437434208,0.5442020438911908,0.48022052308742547,0.44685012512043776,0.43016101535287266,0.4185981043464324,0.40298928100402115,0.40291757300632364,0.3771646064586496,0.37711758671745527,0.37635480452218634,0.3640066812460554,0.3522751014786762,0.3429630474837717,0.3369640279144989,0.33216590926099815,0.3289302487531549,0.32823299873859224,0.3260491658792846,0.3247107976756306,0.31951780106474564,0.3169471049412528,0.3107745552246015],"twin_dists":[0.1333706152346249,0.1336476699589423,0.13760108970543972,0.14326688891067674,0.15730474435574585,0.16484669755045067,0.16869647934566223,0.17139929266122111,0.17509906638450454,0.17511620814202522,0.18136669340442246,0.18137828792113114,0.18156647963438363,0.18463959982849615,0.1876084391619122,0.19000176497944662,0.19156192754563492,0.19282059793144748,0.1936750051500136,0.19385972453873196,0.19443968299209233,0.19479617536056107,0.19618720643032794,0.19688050285096592,0.19855830165073599],"n_dims_used":45,"mean_confidence":0.9175028483072917},"coverage":{"mean_confidence":0.9175028483072917,"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}}