{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000939},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000337","490:4900000417","490:4900000502","490:4900000841","490:4900000296","490:4900000065","490:4900000506","490:4900000110","490:4900000414","490:4900000081","490:4900000560","490:4900000218","490:4900000182","490:4900000295","490:4900000248","490:4900000250","490:4900000068","490:4900000601","490:4900000465","490:4900000831","490:4900000236","490:4900002648","490:4900000497","490:4900000073","490:4900001745"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5641498036033328,0.416893260388086,0.36756591314197645,0.3564774264618353,0.3525363039544844,0.3467640225171918,0.2996248393286816,0.29516997492130614,0.29191815987846403,0.2865480102455447,0.28067071269733135,0.2777565976474392,0.2673760148351161,0.25799357175801835,0.2484907583613549,0.24364206079098386,0.2403331038740195,0.23503872848221466,0.2344754273033936,0.23088824997929674,0.22827192524019493,0.22056592705828584,0.21362538888967342,0.21123987681342138,0.21011423450018069],"twin_dists":[0.1389639357793852,0.17180044009164247,0.18374854521921588,0.1865392248852189,0.18754178813343342,0.18902077450879753,0.20163817205049264,0.20288738694689903,0.20380628481234708,0.20533720635701808,0.20703257254412016,0.2078811546442219,0.21094905856924484,0.2137862361482061,0.21672698776056534,0.21825523281487955,0.21930947454099084,0.22101607963485587,0.22119912814036186,0.22237163053911463,0.22323438809337992,0.22581424966963634,0.22818997809841501,0.22901854641119357,0.22941172386366135],"n_dims_used":45,"mean_confidence":0.9164784749348959},"coverage":{"mean_confidence":0.9164784749348959,"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}}