{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006207},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004889","490:4900006321","490:4900006083","490:4900005815","490:4900003781","490:4900006442","490:4900003924","490:4900002823","490:4900007038","490:4900007169","490:4900006548","490:4900005165","490:4900007059","490:4900006081","490:4900002971","491:4910001679","490:4900005020","490:4900004468","490:4900007036","490:4900006073","490:4900007662","490:4900004609","490:4900005301","491:4910001117","491:4910001855"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,490,490,490,491,491],"twin_sims":[0.3048653972249373,0.27697726617109003,0.2538432019080281,0.23704453176177023,0.22007925498911493,0.21378373913156243,0.1835876295593848,0.17698941244453856,0.16756176074892426,0.16366571548592648,0.1625702993415296,0.15974500737155123,0.15899147893832732,0.1340763867493881,0.13108925852154554,0.12460236371633007,0.12222298792407044,0.11751116870489901,0.11013593976171526,0.10823822500609001,0.10794721205841636,0.10501548205526881,0.10152746754726213,0.09654744753423222,0.08803307042199217],"twin_dists":[0.20018246307074575,0.2081090116803426,0.2150619958884404,0.22036660118564635,0.22597918562491764,0.22813519984134945,0.23912874749991572,0.2416967603770376,0.2454870556635283,0.2470982351092641,0.24755622366047178,0.24874788634442171,0.2490682972911779,0.2603551442271238,0.26181078474020664,0.26506028733412695,0.2662843906551794,0.26876312489952114,0.2728007258991123,0.2738732816327995,0.2740390427836793,0.27572861350138167,0.2777872837281236,0.28082460445531393,0.2863161196410136],"n_dims_used":45,"mean_confidence":0.905507320827908},"coverage":{"mean_confidence":0.905507320827908,"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}}