{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000191},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000249","480:4800000206","480:4800000004","480:4800000016","480:4800000116","480:4800000218","480:4800000248","480:4800000250","480:4800000252","480:4800000200","480:4800000261","480:4800000265","480:4800000193","480:4800000128","480:4800000013","480:4800000192","480:4800000113","480:4800000144","480:4800000232","480:4800000251","480:4800000207","480:4800000264","480:4800000175","480:4800000173","480:4800000208"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.4670380505300889,0.41762174158376264,0.3965532252513022,0.36656381886146955,0.3295094258171661,0.308315703739853,0.28619164526939844,0.2552648102319718,0.25324635494394626,0.23327676292168328,0.21394438029739274,0.20039836458242208,0.1937948494911731,0.192085616407173,0.18722675771632466,0.18525953851470847,0.18126861187815904,0.17773494849294938,0.15905352077438162,0.15376185852555213,0.14837655135188918,0.13955082496829171,0.1167664485800127,0.1041832754140642,0.09930374852780237],"twin_dists":[0.1602615963649959,0.1716289438762103,0.17664314997917024,0.18399897960841197,0.19352173009797374,0.19923195140705702,0.20543940374445693,0.21462353778012197,0.21524654257109885,0.221589603689768,0.22807965709822153,0.23286666304079762,0.2352811858503518,0.2359154305651949,0.2377401916088185,0.2384884277566235,0.24002374548964148,0.24140323279016832,0.24904187452093696,0.2513230896440312,0.25370454846237894,0.25774941973153775,0.2691618281235634,0.2762148946360748,0.27912876431719535],"n_dims_used":43,"mean_confidence":0.9035082085188045},"coverage":{"mean_confidence":0.9035082085188045,"n_dims_used":43,"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}}