{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003793},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002542","490:4900001916","490:4900003121","490:4900002378","490:4900002380","490:4900001120","490:4900002069","490:4900001769","490:4900002528","490:4900001915","490:4900001123","490:4900002544","490:4900001237","490:4900002376","490:4900002976","490:4900001115","490:4900002228","490:4900002690","490:4900002676","490:4900002526","490:4900003389","490:4900001914","490:4900002549","490:4900001770","490:4900003658"],"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":[0.23680142402559898,0.13611522558095526,0.1293670222557539,0.1014150778685566,0.0951597991036145,0.08981994503768737,0.07971030111975022,0.07723391785033987,0.07626255228756,0.0751916574391004,0.07257070103201697,0.07256560437255506,0.07190806246902365,0.06078546048486429,0.058783221060203124,0.055286167695408804,0.05507575702700613,0.051189488125886654,0.047276863544501606,0.04539718718834923,0.04385448928500945,0.042968116381943186,0.04281655640899247,0.042390047408965764,0.03794132393521445],"twin_dists":[0.22044512767481847,0.25937554462789325,0.2626614318327428,0.277854529678288,0.28169280533061414,0.28512985943470864,0.29210827666303424,0.2939250216657081,0.294650451863653,0.2954588920808723,0.29747744969645606,0.2974814319626309,0.2979971107944498,0.30736133895525036,0.3091939690304305,0.3125219814199007,0.3127277140654896,0.3166499318021746,0.3208575031642962,0.32298326062001953,0.3247837750371497,0.3258424797424803,0.32602534172008607,0.32654287744732213,0.3322205845173333],"n_dims_used":45,"mean_confidence":0.9177517361111112},"coverage":{"mean_confidence":0.9177517361111112,"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}}