{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001085},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000621","490:4900000922","490:4900001327","496:4960009381","496:4960006242","496:4960006506","490:4900001334","494:4940006147","494:4940008235","490:4900000513","496:4960007032","490:4900001730","496:4960006507","494:4940008622","490:4900001192","490:4900000844","490:4900000057","494:4940008532","496:4960008264","490:4900001589","496:4960006759","490:4900000406","496:4960008496","496:4960004977","496:4960008486"],"twin_admin_codes":[490,490,490,496,496,496,490,494,494,490,496,490,496,494,490,490,490,494,496,490,496,490,496,496,496],"twin_sims":[0.6324654763141424,0.5084760250638093,0.48410098379177563,0.4464892126173555,0.44547118558806076,0.4420712994674298,0.43375981119881235,0.4101051289883893,0.40498943669877097,0.380512993964151,0.37953050165811025,0.3759335762339021,0.36944767038210574,0.36865793839456845,0.3607889216652199,0.3476421511792763,0.3418247360474341,0.33921332532431214,0.33753021489483687,0.3369783542770004,0.3329992376777389,0.3318426896609346,0.3294095577135734,0.3192860341706461,0.3176161018058825],"twin_dists":[0.12431772115990396,0.15104991517618596,0.15643938627222206,0.16492935348931556,0.1651626383846029,0.1659432197202855,0.1678613885156704,0.17340474055608246,0.17462148069707442,0.1805428175426959,0.18078419583227617,0.1816704838319636,0.18327919411705396,0.18347602478689237,0.18544896202612007,0.18879494927619228,0.19029667439298661,0.19097521965005734,0.1914140446691192,0.19155818397613342,0.19260128802728405,0.19290574160950258,0.1935481488983614,0.1962495830555757,0.19669977557153023],"n_dims_used":45,"mean_confidence":0.9163294474283854},"coverage":{"mean_confidence":0.9163294474283854,"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}}