{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001061},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000503","490:4900001060","490:4900000955","490:4900001044","490:4900001071","496:4960008963","496:4960008967","496:4960008966","490:4900000581","490:4900000956","490:4900001883","496:4960008581","490:4900001740","496:4960009184","490:4900001322","496:4960008680","490:4900000796","490:4900001093","496:4960008379","490:4900000274","490:4900000517","496:4960008272","496:4960008256","490:4900001065","490:4900000691"],"twin_admin_codes":[490,490,490,490,490,496,496,496,490,490,490,496,490,496,490,496,490,490,496,490,490,496,496,490,490],"twin_sims":[0.7458547668710445,0.6813472642422153,0.6235884976708136,0.6179126660605607,0.5457335374391638,0.5386495170615944,0.5319912372037179,0.5306034157729259,0.5276236419787425,0.4848213941594734,0.47653442902678483,0.4720311471823411,0.46841603444002305,0.4681724912097277,0.45087613797012366,0.44995383180705284,0.44957919224903425,0.4419880248066174,0.4406557908468412,0.4371098214522725,0.42242193187604943,0.3964162709555011,0.3928988476142897,0.3913649825751114,0.3827940306254155],"twin_dists":[0.09945780779024242,0.11376933478473514,0.12622097613011835,0.12743700684886514,0.14293564428785346,0.144469260763379,0.14591423342374557,0.14621587942150563,0.14686410640331843,0.15627897113198055,0.15812882103091605,0.1591384167206653,0.15995121834354434,0.16000605146132693,0.1639263632755044,0.16413692648132844,0.16422250302397146,0.1659623677716853,0.16626889039934087,0.16708652441762065,0.17050206676122662,0.1766761306532867,0.17752498826914745,0.1778962582319062,0.1799835689151416],"n_dims_used":45,"mean_confidence":0.915828620062934},"coverage":{"mean_confidence":0.915828620062934,"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}}