{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":487,"cluster_id":4870001441},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870001539","487:4870001631","487:4870001440","487:4870001634","487:4870001536","487:4870001537","487:4870001908","487:4870001347","487:4870001909","487:4870001534","487:4870001635","487:4870001535","487:4870001349","487:4870001816","487:4870001350","487:4870001629","487:4870001538","487:4870001445","487:4870001348","486:4860003436","487:4870001996","487:4870001728","486:4860003443","486:4860003508","487:4870001818"],"twin_admin_codes":[487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,487,486,487,487,486,486,487],"twin_sims":[0.9519431885167668,0.944905813886095,0.9063456452862744,0.8164279536126191,0.6678066340673706,0.6490413339484251,0.43148324750020994,0.37728628527242963,0.3285122145790024,0.276864211799604,0.24263700071111483,0.18511871832707677,0.16277400760529623,0.13594001634853448,0.11946635224163459,0.11461008826407403,0.11391137391750922,0.11051312532204892,0.109167250357073,0.10181403503389569,0.0956379509353778,0.08757535661912276,0.08397083605317368,0.07766951598805338,0.07742116509957679],"twin_dists":[0.040760698433660196,0.04372356283384064,0.057595942104052986,0.0827162052299207,0.11670747432477163,0.12075657972580342,0.1683893316484196,0.18133669210474745,0.1937857271909747,0.2081420984347049,0.21857446200967667,0.23854220281288052,0.24747088531996844,0.2594592934104645,0.2677255071457639,0.27032740116391796,0.2707086912081056,0.27258925338949486,0.27334640893005996,0.2776160850733817,0.2813925249521826,0.2866230563302897,0.2890858898494242,0.2936020935318519,0.29378602791065866],"n_dims_used":42,"mean_confidence":0.9071594419933501},"coverage":{"mean_confidence":0.9071594419933501,"n_dims_used":42,"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}}