{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003172},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001398","490:4900003305","490:4900005632","490:4900001819","494:4940008504","490:4900004263","490:4900003856","490:4900004412","490:4900001692","490:4900001266","490:4900006520","490:4900001678","496:4960008025","490:4900005626","494:4940007664","490:4900001974","496:4960008376","494:4940008005","494:4940007901","490:4900004534","490:4900001542","490:4900001978","494:4940006919","466:4660005919","490:4900002121"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,490,490,490,496,490,494,490,496,494,494,490,490,490,494,466,490],"twin_sims":[0.4373271365735583,0.3748007116719303,0.33584481160908874,0.3010054311611429,0.29213083490678415,0.2908341086364193,0.27919312706756233,0.2606815711236696,0.2524880560594469,0.2455236873952507,0.24182823147633178,0.20511035849368708,0.20315356558773728,0.20275548326072282,0.19922013509266018,0.19683478728463222,0.19665094118839305,0.19485729177596472,0.1937929020521229,0.19324815353150554,0.1899952192548839,0.1885524105976406,0.18842485887089575,0.18681057373259513,0.18285836890979676],"twin_dists":[0.16703634068766823,0.18195047919584248,0.19185465235722365,0.20125324492474428,0.20374600226628542,0.20411396445235444,0.20746216822643243,0.21296688778707504,0.215481410038446,0.21765986504602616,0.2188319665747982,0.23117710620701995,0.23187547457458793,0.23201811204186548,0.23329339796145956,0.23416269541378804,0.23422999664849944,0.2348889041493253,0.23528190626685458,0.2354836231918539,0.23669648427711296,0.2372390829067766,0.23728719105210333,0.23789802596131887,0.2394093325647643],"n_dims_used":45,"mean_confidence":0.9204616970486111},"coverage":{"mean_confidence":0.9204616970486111,"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}}