{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001957},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002422","490:4900002421","490:4900004242","490:4900004253","490:4900003973","490:4900003428","490:4900002571","490:4900002721","490:4900001962","490:4900004530","490:4900002869","490:4900004106","490:4900003016","490:4900003296","490:4900003976","490:4900001947","490:4900004099","490:4900004108","490:4900008512","490:4900001384","490:4900009073","490:4900009597","490:4900001959","490:4900003693","490:4900008853"],"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":[0.5427613895838369,0.4255113533822439,0.42420704667879405,0.3498252516869783,0.34189472671065124,0.33578547773670686,0.3224688422022067,0.3209942371120047,0.2994268446912173,0.2960069346640988,0.25813078722739347,0.25768060047926994,0.25051764353876954,0.21504810081748948,0.21241472892595076,0.20099589397006368,0.19992561188740496,0.19892039565436964,0.19844545375119219,0.19815762379478774,0.19511274698057082,0.19066687081434022,0.18792107566855829,0.18525254201345107,0.1839984620175264],"twin_dists":[0.14357863764889822,0.16977965223675914,0.1700843768444864,0.18823482645480485,0.19027852636810338,0.19187018553070898,0.19539518513443022,0.19579044038858465,0.20169346051766446,0.20265184828566915,0.2137442806103346,0.21388198418141077,0.21609381352311288,0.22769879804251247,0.22860969335322545,0.23265090845302872,0.2330376777790662,0.23340223620527606,0.23357492422071827,0.23367971764874518,0.23479480498590674,0.2364448779152721,0.2374774241383658,0.2384910988341248,0.2389710245085311],"n_dims_used":45,"mean_confidence":0.9158001369900174},"coverage":{"mean_confidence":0.9158001369900174,"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}}