{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000266},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000221","494:4940008616","494:4940008021","490:4900000211","490:4900000721","466:4660011188","490:4900000942","487:4870003515","490:4900000117","490:4900000021","487:4870005409","496:4960007785","490:4900001013","487:4870004832","490:4900000273","490:4900000816","490:4900000225","490:4900001447","490:4900000151","496:4960008381","490:4900000834","490:4900000333","487:4870004844","490:4900001900","490:4900000159"],"twin_admin_codes":[490,494,494,490,490,466,490,487,490,490,487,496,490,487,490,490,490,490,490,496,490,490,487,490,490],"twin_sims":[0.3922858724431303,0.23816496235331291,0.19065011167727364,0.1781411622145417,0.16323200514932557,0.16248163844155755,0.16144494964081632,0.15684058020561414,0.15655447721771146,0.15415261656619622,0.14427888354528523,0.14265925855846015,0.14209912002160185,0.13690664730337657,0.1300667715987277,0.12817270108540618,0.127868610701016,0.11807035987192017,0.1144967442854666,0.11282674275409751,0.11212007934171932,0.109907916305506,0.10960166601618952,0.10641099311839337,0.10597660751988361],"twin_dists":[0.17767327694251292,0.2200053671431422,0.2364511484925491,0.24124366908833916,0.24727930118530927,0.24759339007152015,0.24802906242752618,0.24998901760297404,0.2501121805748269,0.25115268924700346,0.2555596729363823,0.2563036926354407,0.2565624681256701,0.2589982536820412,0.2623147867378939,0.26325636726315743,0.2634085152361524,0.2684650202090111,0.2703891314774173,0.2713041599321389,0.2716944999688159,0.27292884109123416,0.2731012320270007,0.2749198650515364,0.2751707186515139],"n_dims_used":45,"mean_confidence":0.8989130655924479},"coverage":{"mean_confidence":0.8989130655924479,"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}}