{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010765},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010512","490:4900010917","490:4900010421","490:4900010677","490:4900010848","490:4900011300","490:4900010759","490:4900010766","490:4900010846","490:4900010931","490:4900011162","490:4900011158","490:4900011159","490:4900011009","490:4900010764","490:4900010509","490:4900010424","490:4900010755","490:4900008342","490:4900010499","490:4900011007","490:4900010998","490:4900011247","490:4900010775","490:4900008343"],"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":[0.8233824580089025,0.5106347487833852,0.47897873264839236,0.4747536561904473,0.43066747267239974,0.3986260802423922,0.39063661720038134,0.37362533686835186,0.3585705030336678,0.3479554371436684,0.33644667801631306,0.306179306290231,0.2943816047327161,0.29166173706103365,0.2594352721421016,0.25288725059346917,0.25213598532844245,0.21285097846759893,0.17661086503402967,0.1753494561284394,0.17475476402938137,0.155792479124145,0.15336216642422001,0.15330537492907548,0.15279239601744357],"twin_dists":[0.08096806654591975,0.15057609318123105,0.15758213565774068,0.15852767714270397,0.16857878666322815,0.17614461112674623,0.17807279583068777,0.1822414204058887,0.18600910234610918,0.18871445540613857,0.1916971720558545,0.1998197708328362,0.20310961224885243,0.2038790023254153,0.21334611653856103,0.21535771188686767,0.21559060935107602,0.22845826692549484,0.24184613627335877,0.24234554302405725,0.24258187701138573,0.2504410132115786,0.2514977146626913,0.2515225538678739,0.251747224642808],"n_dims_used":45,"mean_confidence":0.8939693874782986},"coverage":{"mean_confidence":0.8939693874782986,"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}}