{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000558},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008341","490:4900000332","490:4900000585","490:4900000399","496:4960008473","490:4900002492","490:4900000467","494:4940007801","496:4960008763","494:4940007601","496:4960008367","494:4940008510","490:4900000496","494:4940008109","490:4900001075","480:4800004032","490:4900000388","496:4960007784","494:4940005339","490:4900001591","487:4870003820","490:4900000481","490:4900000842","487:4870003124","494:4940008035"],"twin_admin_codes":[494,490,490,490,496,490,490,494,496,494,496,494,490,494,490,480,490,496,494,490,487,490,490,487,494],"twin_sims":[0.5523002126885379,0.4464477734550633,0.4390053850989995,0.4277067185091774,0.41788840875803684,0.3955700921026153,0.3944022684231469,0.37110793841056194,0.3472032501572848,0.33415900471185667,0.3155761149768845,0.29751202871899757,0.29488405737971096,0.2933744715709227,0.2732665397878114,0.27090875985670587,0.2672425020014991,0.2611774623025853,0.2601140255895453,0.2578705531070843,0.25776031628387275,0.25773028833614603,0.2574451546000703,0.25613192312869515,0.25266631254936384],"twin_dists":[0.1415171338645654,0.16493884548189205,0.16664912024661205,0.1692676225993508,0.17156619811458518,0.17688001970979542,0.17716174049435343,0.18286607478949723,0.18890778224629715,0.19229656551798333,0.1972515459985184,0.2022292671221703,0.20296794064531481,0.20339401477674227,0.20919934918546737,0.20989687629863388,0.21098899212819286,0.21281631292660835,0.21313944109041236,0.21382386278246776,0.21385758957598688,0.21386677815994734,0.2139540630847377,0.214356859067957,0.21542615844381444],"n_dims_used":45,"mean_confidence":0.9144778781467013},"coverage":{"mean_confidence":0.9144778781467013,"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}}