{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000848},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000113","490:4900000190","490:4900000244","490:4900000115","490:4900000431","490:4900000191","490:4900000294","490:4900000166","490:4900000353","490:4900000205","490:4900000499","490:4900000141","490:4900001353","487:4870005261","490:4900000015","490:4900000281","490:4900000397","490:4900000083","490:4900000090","490:4900000356","490:4900000425","490:4900000094","490:4900001621","496:4960009082","490:4900000334"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.6613747144121254,0.5301327347068283,0.4864805396314179,0.4468162756418424,0.44245375396560815,0.4020973665012029,0.3983193802285083,0.3962875691676806,0.3764655377605754,0.36640153316302937,0.3617315656485652,0.35874591890415736,0.3288240563371537,0.32125466557819354,0.31527485247715714,0.30712958274720903,0.2997653274931727,0.29659458825059126,0.2956647616514928,0.29499098338354574,0.2910486936476879,0.2788853263256744,0.27572511969452806,0.2662395593325947,0.2590421890138742],"twin_dists":[0.1180979370281917,0.14631822063737607,0.15590980569581533,0.16485444865830737,0.16585529663778512,0.17531237587779883,0.17621830013472758,0.17670712877170477,0.1815391482668902,0.18403956887320083,0.18521148083232575,0.18596474624205908,0.19370312431318834,0.19572056104457708,0.19733320155158132,0.1995580159235197,0.20159895478535375,0.20248670425447074,0.20274809568571528,0.2029378101827015,0.20405300603165244,0.20755183249011291,0.20847592937508436,0.2112893684231248,0.21346596310225535],"n_dims_used":45,"mean_confidence":0.9137914021809895},"coverage":{"mean_confidence":0.9137914021809895,"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}}