{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900010415},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011230","490:4900010500","490:4900010839","490:4900010918","490:4900010586","490:4900010501","490:4900010757","490:4900010416","490:4900010414","490:4900010858","490:4900010671","490:4900010684","490:4900010673","490:4900010680","490:4900010508","490:4900012049","490:4900011160","490:4900011844","490:4900011912","490:4900009239","490:4900010928","490:4900010854","490:4900011082","490:4900010504","490:4900011077"],"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":[0.4652356833345616,0.4031871170479891,0.3250443712853419,0.3140248866249205,0.3117096618029422,0.3100126255542719,0.30737557189698117,0.3054441581777875,0.29815926367242496,0.2702584468838605,0.2480349504781158,0.23836248038317873,0.22018285914816332,0.21531093249048433,0.2126293488714228,0.20177799141524172,0.180252371536239,0.1697847320594695,0.1697312117371151,0.16414364037315918,0.16268397805418144,0.16248162049890294,0.1573283850746287,0.15686858869387796,0.15299165725337652],"twin_dists":[0.16066803803685523,0.17505178089923454,0.1947072473892725,0.1976724715983333,0.19830291268984027,0.198766719126893,0.1994903340131243,0.20002259037467343,0.20204793117720032,0.21008992336135432,0.21686983169696625,0.21994180097816385,0.22594405313804775,0.22760829772662858,0.22853517041207538,0.23236917651617056,0.24041850314246027,0.24457982802573416,0.24460156986597573,0.246899111994722,0.24750859133663272,0.24759339759452031,0.24977940274093263,0.2499769691945389,0.2516598880220167],"n_dims_used":45,"mean_confidence":0.8926500956217448},"coverage":{"mean_confidence":0.8926500956217448,"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}}