{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010416},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900010918","490:4900010586","490:4900010500","490:4900010508","490:4900011844","490:4900010673","490:4900011160","490:4900010757","490:4900010501","490:4900010847","490:4900011510","490:4900010415","490:4900011912","490:4900010671","490:4900010593","490:4900010851","490:4900010854","490:4900010940","490:4900011238","490:4900011018","490:4900010507","490:4900010504","490:4900011910","490:4900011082","490:4900010678"],"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":[0.6293334910103839,0.6117316406030348,0.5192097485008059,0.516975808982184,0.45766447707651864,0.42061258081725283,0.41721815515678456,0.38474287161065746,0.3594267689762002,0.3334887845720271,0.3272923780932265,0.3054441581777875,0.2974013645084887,0.280485521870684,0.271823250574325,0.26266172413016015,0.2507752204732559,0.24503930599708373,0.24421656916186532,0.23799399305473645,0.23354794641133894,0.23023317599101487,0.2286524512931683,0.21965079592763018,0.2183405655263261],"twin_dists":[0.12498946443504344,0.12876079039587196,0.14869889658745886,0.149187202514045,0.16238143795515414,0.17092618444533678,0.17172393879500764,0.17950703016808692,0.18579268987354922,0.1924725918486276,0.19410926212447838,0.20002259037467343,0.20226029512434127,0.20708633985454059,0.20962589056670897,0.21236669306986422,0.21601358450672586,0.21781284677048257,0.21807313832655245,0.22006041700996498,0.22150114826826142,0.2225870392963472,0.22310850157233827,0.226124595154083,0.22657044166589407],"n_dims_used":45,"mean_confidence":0.8922417534722222},"coverage":{"mean_confidence":0.8922417534722222,"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}}