{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011700},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011829","490:4900011440","490:4900011894","490:4900011441","490:4900011776","490:4900011905","490:4900011765","490:4900010923","490:4900011694","490:4900011636","490:4900011965","490:4900011693","490:4900011319","490:4900011237","490:4900011702","490:4900011839","490:4900011701","490:4900011634","490:4900011305","490:4900011707","490:4900011234","490:4900012163","490:4900011448","490:4900011642","490:4900010998"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.28190111044733984,0.24429573467772847,0.23659302420811879,0.19217430214800973,0.19140002634138875,0.18181709273850272,0.16620464079627964,0.1630407223659712,0.15592782998227944,0.1547019343703154,0.14853330792329306,0.14311842841502512,0.1312715225495888,0.13096343536850072,0.12169827667003223,0.12089422843930911,0.11901286445647777,0.10305011300745374,0.09788456958900371,0.09446878788326873,0.09153741602808241,0.08604277034908846,0.0843840625565667,0.08415343027454476,0.08386680409225827],"twin_dists":[0.20667589027321015,0.21804806794045595,0.22051248503229165,0.23588242551176575,0.2361709371479378,0.23981133872609228,0.2460451835060129,0.24735926893303184,0.2503825181907375,0.250913678911509,0.2536343365647989,0.25609212582755686,0.261721255162334,0.2618726448690627,0.26655677447145903,0.2669759085435694,0.26796500923504074,0.27688192143626095,0.2799972475929878,0.2821288682218627,0.2840071741158391,0.28766016127099336,0.2887993207317247,0.28895912383910405,0.28915821243555223],"n_dims_used":45,"mean_confidence":0.8912626478407119},"coverage":{"mean_confidence":0.8912626478407119,"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}}