{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800000196},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800000165","480:4800000132","480:4800000164","480:4800000188","480:4800000226","480:4800000104","480:4800000162","480:4800000227","480:4800000001","480:4800000195","480:4800000255","480:4800000197","480:4800000022","480:4800000166","480:4800000133","480:4800000131","480:4800000106","480:4800000010","480:4800000002","480:4800000006","480:4800000243","480:4800000202","480:4800000135","480:4800000103","480:4800000220"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6325325635130522,0.6113912354431411,0.601169592076914,0.5134973974611928,0.49792012975150995,0.49736803194675183,0.46856508256983564,0.4131368837429078,0.4128307808659251,0.38951518723507234,0.35322058094527237,0.33549278150567075,0.3289027894245548,0.3278067645387048,0.30735300054972126,0.3019386827281928,0.28550795638088833,0.2537133086620462,0.244325060751839,0.24291069610844293,0.2413549785942992,0.2329638029120693,0.22696562789857636,0.2229533519938674,0.221026703155189],"twin_dists":[0.12430332921148958,0.1288336853044229,0.13102246554947167,0.14994855410776156,0.15337463194189702,0.15349659231493015,0.15991766534136975,0.1726868054379092,0.17275918765968307,0.17834490411163412,0.18736730290700307,0.19194683303736906,0.19368227574903032,0.1939727514089931,0.19949654303450065,0.20099362559494846,0.2056356843387168,0.21510213573103576,0.21803878219713863,0.21848744575870394,0.21898290462864448,0.22169176984621428,0.22366760016648998,0.22500864283863234,0.22565831431126246],"n_dims_used":42,"mean_confidence":0.9026734488351005},"coverage":{"mean_confidence":0.9026734488351005,"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}}