{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910000951},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001348","491:4910001935","492:4920006683","491:4910001757","492:4920004564","492:4920004381","492:4920004231","491:4910001590","492:4920006943","492:4920004040","492:4920006413","492:4920004639","492:4920004327","491:4910001212","492:4920006837","492:4920004074","492:4920005328","491:4910001825","491:4910000958","491:4910002966","492:4920005496","492:4920006755","492:4920004131","492:4920006681","491:4910001639"],"twin_admin_codes":[491,491,492,491,492,492,492,491,492,492,492,492,492,491,492,492,492,491,491,491,492,492,492,492,491],"twin_sims":[0.359718457901467,0.2585974661447965,0.2285626300786107,0.2151270995362,0.21439605861505287,0.20152173180778318,0.19054582127461758,0.1896317786536226,0.18794211927608645,0.18065520171446764,0.17925041907870468,0.17812753009669188,0.17111605031107738,0.1675560062133357,0.16545244808160545,0.15891524612033586,0.1581335673228077,0.15766206809410174,0.15597195111263734,0.15504028483248275,0.15379949023513562,0.14602231619823605,0.1452939632408492,0.1444647447887231,0.14427936152248497],"twin_dists":[0.1857190287178897,0.21360169222227035,0.22313820393813336,0.22767158872918727,0.2279236371856203,0.23246140504513418,0.2364901783095323,0.23683289146068925,0.23746947073472552,0.240261836149393,0.2408092567399697,0.24124901968998946,0.24404057550802385,0.24548941538003438,0.24635594644904998,0.24910077408810435,0.2494344423671078,0.24963628865601797,0.2503634582397965,0.2507667703696865,0.25130666554017295,0.25476566999026184,0.2550965213421813,0.25547468954291974,0.25555945428146803],"n_dims_used":45,"mean_confidence":0.8992075602213542},"coverage":{"mean_confidence":0.8992075602213542,"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}}