{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008915},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008463","490:4900008128","490:4900009849","490:4900008126","490:4900009239","490:4900008129","490:4900010157","490:4900008572","490:4900009637","490:4900009231","490:4900010064","490:4900009448","490:4900009762","490:4900009430","490:4900009963","490:4900009238","490:4900007905","490:4900009343","490:4900009733","490:4900008672","490:4900010858","490:4900010324","490:4900011916","490:4900009351","490:4900009734"],"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":[0.5506140740102758,0.5214462873199638,0.23661870813700597,0.1610739265927729,0.1525283981184287,0.13180196211558934,0.1223055360811943,0.11104058498503298,0.09792139291296308,0.09791352111500766,0.09685822112042035,0.09466160225306491,0.09368193675855868,0.09275453915561131,0.08437774489584011,0.08252728046893573,0.08214701902912076,0.0818892161257259,0.08063497221483132,0.08045345532491764,0.07941223248884086,0.07659855355300974,0.06614055311694522,0.06443608653024996,0.06123744516185662],"twin_dists":[0.14188110119980846,0.14821052137669055,0.22050418158110577,0.2481854794947644,0.25186306430564676,0.26146123087874484,0.2662416201154797,0.2722944619274383,0.27997458870564007,0.27997943198068964,0.28063151118364754,0.28200694056011877,0.28262848267988716,0.2832216059475412,0.2888036935392758,0.2900959049100847,0.2903643110584756,0.2905468461359004,0.29144152256518835,0.2915719238876168,0.2923245276977513,0.29439868372102673,0.30269244734308604,0.3041438363055399,0.3069545208323241],"n_dims_used":45,"mean_confidence":0.8987039354112413},"coverage":{"mean_confidence":0.8987039354112413,"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}}