{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":489,"cluster_id":4890001667},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["489:4890001844","489:4890003006","489:4890001835","489:4890002926","489:4890001853","489:4890003084","489:4890003597","489:4890001670","489:4890002751","489:4890001681","489:4890001809","489:4890001893","489:4890001840","489:4890003329","489:4890002077","489:4890002022","489:4890003388","489:4890003598","489:4890002653","489:4890002272","470:4700007837","489:4890002580","489:4890001920","489:4890002839","489:4890002837"],"twin_admin_codes":[489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,489,470,489,489,489,489],"twin_sims":[0.9338277620149518,0.8491981355571186,0.8247788189940771,0.8144335473873805,0.8084280229987191,0.8062150485190832,0.7991567072149321,0.779541483744128,0.7606657374682243,0.7544685686428602,0.7471588401096444,0.7411307796744543,0.7366527607139418,0.7337666609702842,0.7319534303208788,0.726740320966403,0.7253616986553837,0.7245535512582315,0.7158970165008335,0.7153375211511345,0.7083860497176439,0.7057394690362734,0.6972182228990903,0.6965785315863486,0.6958515527337165],"twin_dists":[0.048058216861362316,0.07425885309135406,0.08061430403174312,0.08321346165022726,0.08470039868572007,0.0852445248776412,0.08696708776165038,0.09166036255880532,0.09606521093487086,0.09749096711663005,0.09916110241363225,0.1005295947519364,0.10154136107607098,0.1021913673459423,0.10259893576686327,0.10376736781376085,0.10407555937085233,0.10425606904442641,0.10618285097842564,0.10630697482865203,0.1078452696271737,0.10842911827360713,0.1103026442001805,0.1104429212844128,0.11060227970333471],"n_dims_used":45,"mean_confidence":0.9147632175021702},"coverage":{"mean_confidence":0.9147632175021702,"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}}