{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011015},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010936","490:4900010688","490:4900010775","490:4900011095","490:4900010854","490:4900010776","490:4900011252","490:4900010514","490:4900011510","490:4900010161","490:4900010927","490:4900010757","490:4900010586","490:4900010516","490:4900010686","490:4900011452","490:4900010500","490:4900011322","490:4900011018","490:4900010678","490:4900010600","490:4900010671","490:4900010940","490:4900011844","490:4900010602"],"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":[0.6671944433593863,0.4048085745599283,0.34164778476308216,0.2805183558988036,0.25296950615819846,0.2506971112180585,0.2168451083926039,0.21669322455919338,0.21442454213813128,0.19794886715892074,0.19645733045089658,0.1929449132035331,0.18635040727852067,0.18511354646156922,0.17856756876836402,0.17568176010345155,0.17508588300244726,0.17200662974568692,0.17191183538599022,0.16785376189304818,0.1620552175998179,0.16145063692893002,0.14908508866369793,0.14720927567263062,0.1442479139983365],"twin_dists":[0.11683995049005512,0.17466462240561487,0.19034256531643112,0.2070768054288889,0.2153322388524722,0.2160379080980381,0.2270815182461657,0.22713355739724464,0.22791380577686213,0.23375578781347015,0.234300919587223,0.23559608261789383,0.23807282791158296,0.23854417834285316,0.24107645123537552,0.24221373231395874,0.2424502178346533,0.24368152176137073,0.2437196764668526,0.24536739360846704,0.2477723502337184,0.2480266667942632,0.25338762575750207,0.25422910557846473,0.25557384137601197],"n_dims_used":45,"mean_confidence":0.8801456027560763},"coverage":{"mean_confidence":0.8801456027560763,"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}}