{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870000892},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870000168","487:4870001071","487:4870000328","487:4870000573","487:4870000804","487:4870000728","487:4870000641","487:4870000976","487:4870001623","487:4870000497","487:4870000809","487:4870001360","487:4870000810","487:4870000496","487:4870000897","487:4870001167","487:4870001437","487:4870001528","487:4870000147","487:4870000795","487:4870000329","487:4870000510","487:4870000493","487:4870000568","487:4870002703"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487],"twin_sims":[0.4015507361400542,0.3647580510340786,0.342724379144758,0.333329951708923,0.30441605292067736,0.2963709723965005,0.2611717517442331,0.25760969946626444,0.24903371297898766,0.21503067085292538,0.20945961859497259,0.20725655249212244,0.19690202893727543,0.1880224345347194,0.1807624224031201,0.17394631837710767,0.15397605418914573,0.15172978834813708,0.1387876680506665,0.1376497019189598,0.1366720591487728,0.1359608541790384,0.12384724508899267,0.1237817802479448,0.12371356302505024],"twin_dists":[0.17544321299812476,0.1844511303274773,0.19006355496345526,0.19251433586950337,0.20030670788465132,0.2025495226668678,0.21281804588698577,0.2139036852903685,0.21655705220800162,0.22770480230571324,0.2296410341686791,0.23041636469690727,0.23413809087920173,0.2374391214245578,0.24022017801405474,0.24290407982164375,0.25122964470523645,0.2522143850212328,0.25810802745669387,0.25864550369391226,0.2591099171561793,0.25944932883729577,0.2654468275406942,0.2654804228966198,0.26551544510731956],"n_dims_used":43,"mean_confidence":0.9029121398925781},"coverage":{"mean_confidence":0.9029121398925781,"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}}