{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000608},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000143","490:4900000718","490:4900001082","490:4900000246","490:4900000285","490:4900000239","490:4900000835","490:4900000023","490:4900000235","490:4900000583","490:4900000144","490:4900000501","490:4900000606","490:4900000622","490:4900000580","490:4900000423","496:4960008056","490:4900000408","490:4900000109","496:4960008055","490:4900000188","490:4900000699","490:4900000026","490:4900000162","490:4900000001"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,496,490,490,490,490,490],"twin_sims":[0.6866533988083161,0.6856094012933543,0.5823590374287799,0.5549410241646725,0.5546195427381985,0.5333469369549917,0.5070109017027866,0.48021174667184996,0.47747241111503,0.45098043459998105,0.44152624762584425,0.43977371921348585,0.42888699734920044,0.4197852553613394,0.41433398532042204,0.4109036433764947,0.395808757006182,0.3948849171561767,0.3808344535628983,0.3748504229177542,0.3728304624273687,0.3665917100983137,0.3661417828791192,0.36542262796354624,0.3653661378646427],"twin_dists":[0.11261333263811137,0.11284100554125637,0.1350529965380732,0.1409474424652997,0.14101677204627167,0.1456197269860286,0.15137179583025673,0.1573067040286934,0.15791892792278817,0.16390256238449266,0.1660685735301817,0.16647203761320883,0.16899279109192242,0.17112036872452593,0.17240395754910953,0.1732154238476322,0.1768224924519712,0.17704526174098298,0.18046390683830063,0.18193818402399276,0.18243843142345859,0.18399200464129184,0.18410455378759744,0.1842845945645055,0.18429874443474112],"n_dims_used":45,"mean_confidence":0.9149403042263455},"coverage":{"mean_confidence":0.9149403042263455,"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}}