{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000339},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000500","490:4900000696","490:4900000400","490:4900000154","490:4900000285","490:4900000501","490:4900000188","490:4900000399","496:4960008364","490:4900001591","490:4900000580","490:4900000143","490:4900000609","496:4960008578","490:4900000332","496:4960009176","490:4900000589","490:4900001457","490:4900000697","490:4900000237","490:4900000413","496:4960008473","490:4900000467","490:4900000489","496:4960008492"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,496,490,496,490,490,490,490,490,496,490,490,496],"twin_sims":[0.7918299265200214,0.6372681389980686,0.5765162133096723,0.5434972788894309,0.5218279410893897,0.4703712841123868,0.44871106880107925,0.4430600530379857,0.4424129091867948,0.4397155437573567,0.43029256898348317,0.41130225709413204,0.41046384897641264,0.3961794490830773,0.39335068282599817,0.391740597244023,0.38965720134998694,0.38032701865245894,0.37745401724598054,0.3746015189367999,0.370066926261432,0.3621315621062962,0.36179248780314327,0.3461838755141849,0.3380683072955933],"twin_dists":[0.08873548284861087,0.12328704978683142,0.13630657736230692,0.14341937714199096,0.14812723158109042,0.1595113493587084,0.1644209057740295,0.1657159737637311,0.1658646851065567,0.16648544142017696,0.1686659029406507,0.17312097835689708,0.17331967303622575,0.17673317331804844,0.17741575081861968,0.17780527859456344,0.17831042493167007,0.18058848475582953,0.18129534359723823,0.1819997539204202,0.18312499895844442,0.1851108044572114,0.18519614349223856,0.1891701344628725,0.19127362385869165],"n_dims_used":45,"mean_confidence":0.9135345458984375},"coverage":{"mean_confidence":0.9135345458984375,"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}}