{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011938},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012003","490:4900011415","490:4900012134","490:4900011939","490:4900011872","490:4900011548","490:4900012074","490:4900011473","490:4900012133","490:4900012206","490:4900012002","490:4900012007","490:4900012006","490:4900010785","490:4900005615","490:4900011871","490:4900011477","490:4900012193","490:4900012004","490:4900012139","490:4900011937","490:4900009274","490:4900008942","490:4900011472","490:4900005080"],"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":[0.5589537420693841,0.5160810856137301,0.5130361685048718,0.4897834579272461,0.4637576019690432,0.4195038273792917,0.3975660425600243,0.3560736483993292,0.3227094765042902,0.2959532663320161,0.2662819876640522,0.2658629113323771,0.26561711464640037,0.26414056545197756,0.25695896041017996,0.2562015120719236,0.2543655750222484,0.2510192574225656,0.24674778492580082,0.24600141979559473,0.2445130254163999,0.21479631102340693,0.2054129602581385,0.2053562139534822,0.199756547304603],"twin_dists":[0.14008257148778705,0.14938291835945752,0.15004960322777275,0.15517603620312576,0.1610017590334119,0.1711864605639134,0.17639941029935294,0.18664167561161518,0.1953307810810988,0.2026669399292049,0.21127664711165378,0.21140235436311783,0.21147614159003647,0.211920294252522,0.21410303741375783,0.21433548193275365,0.21490070281719276,0.21593762139677178,0.21727412335106266,0.21750917352316546,0.21797928254853205,0.22778556634427316,0.23106951726432312,0.2310896849387572,0.2330989032870734],"n_dims_used":45,"mean_confidence":0.9115605672200521},"coverage":{"mean_confidence":0.9115605672200521,"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}}