{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001144},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007503","490:4900004403","490:4900001290","490:4900000806","490:4900004826","490:4900000561","490:4900000805","490:4900004281","490:4900005627","490:4900002451","490:4900001021","490:4900000794","496:4960005278","466:4660013943","490:4900002896","490:4900003355","490:4900000335","487:4870001017","490:4900000728","490:4900006524","490:4900003181","490:4900003982","487:4870003819","490:4900003605","490:4900007263"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,466,490,490,490,487,490,490,490,490,487,490,490],"twin_sims":[0.4907866743834801,0.3597620767127758,0.3327415239625394,0.250991345175695,0.2157733588302857,0.20510032474704587,0.19440883844678056,0.1915550799805984,0.16754447923329172,0.1538599647922687,0.14595686307907965,0.1455766235150549,0.14171866380103113,0.1283219990188925,0.12450690803559321,0.11470466950768461,0.11466229455407748,0.10871037626923216,0.10400953634684817,0.10048657742016837,0.09940512604129868,0.09662797633620747,0.0903398353457267,0.08663899978471623,0.08625423137159764],"twin_dists":[0.15495345896471122,0.18570801614138424,0.19266907940832476,0.21594630745124144,0.22744925204118627,0.2311806755285874,0.23505430324618254,0.23611309578161177,0.2454941423323314,0.2512802779994041,0.25479535177117885,0.2549679785612872,0.25673866605675416,0.2631817677846777,0.26510905196979084,0.27027592549375967,0.2702989839471229,0.2736050773467381,0.27631679655132957,0.27841231849848436,0.27906709835967153,0.2807745225723483,0.2847882339021363,0.28725495831913833,0.2875161954215792],"n_dims_used":45,"mean_confidence":0.9186788770887587},"coverage":{"mean_confidence":0.9186788770887587,"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}}