{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007256},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006158","490:4900005622","490:4900006020","490:4900000769","466:4660004262","490:4900001408","490:4900006381","490:4900000387","490:4900001189","490:4900001172","490:4900003031","490:4900006501","490:4900006746","490:4900005898","466:4660004938","487:4870003123","490:4900005800","490:4900000485","494:4940006511","466:4660004775","494:4940005851","490:4900006518","490:4900000197","490:4900005760","490:4900000553"],"twin_admin_codes":[490,490,490,490,466,490,490,490,490,490,490,490,490,490,466,487,490,490,494,466,494,490,490,490,490],"twin_sims":[0.387855565089215,0.36309900471401735,0.362629136322383,0.18999838740444056,0.16396380028970134,0.14344801296645454,0.14219204607522556,0.10902246692966278,0.10750551066902603,0.10289223827607942,0.10222415642712117,0.09392042737022481,0.0914792305406028,0.07976619780197702,0.07487803243900401,0.06637490879403765,0.06523985566703591,0.06371732263057629,0.06032716469990168,0.059346483562644464,0.05923505977235863,0.054778328495984165,0.05370536337433475,0.053683294142661424,0.05360084906685059],"twin_dists":[0.17874827802602267,0.1848675388303342,0.18498564719249136,0.23669529600376624,0.24697399146585275,0.2559405773103598,0.25651948528750906,0.2734282900757829,0.2742912995313142,0.27697530638802376,0.2773717275128197,0.2824767037086483,0.2840449351261224,0.29206779547261474,0.29569741146559486,0.3024952836496582,0.30345555205622077,0.30476530011005,0.30777638267040425,0.3086732930870376,0.3087759687143665,0.31301964232249385,0.3140837946832139,0.31410586688742087,0.3141883896700706],"n_dims_used":45,"mean_confidence":0.9159884982638888},"coverage":{"mean_confidence":0.9159884982638888,"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}}