{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001814},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002128","490:4900001963","490:4900003707","490:4900003861","490:4900003716","490:4900002284","490:4900004679","490:4900001673","490:4900002892","490:4900001979","494:4940007889","490:4900004677","494:4940008393","490:4900001404","490:4900004816","490:4900002127","494:4940008187","494:4940008715","490:4900004537","490:4900003030","490:4900004399","490:4900003992","490:4900001138","490:4900002129","490:4900005896"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,494,490,494,490,490,490,494,494,490,490,490,490,490,490,490],"twin_sims":[0.5277466242888669,0.4060381485318213,0.4048627353020207,0.38332566758921194,0.340299684440534,0.33740921095262466,0.332960040272779,0.3279686154167784,0.32631254240124385,0.29019123830337096,0.281689785817353,0.27920515140389723,0.27613382132118647,0.2744742085902454,0.26506048279271116,0.2626612310384084,0.25992118615194754,0.2543515588525019,0.248357378258717,0.24809612035196035,0.24536894868107406,0.24529068138992208,0.24023816358053157,0.2402328577957139,0.23759120395442015],"twin_dists":[0.14683733695647824,0.17437149694643062,0.1746517023418307,0.17985345598836977,0.1906926027401055,0.19144563853530505,0.1926115970268327,0.19392982298125502,0.19436962468298127,0.20429674881590235,0.20673708440103544,0.20745866668326043,0.20835605537164475,0.20884350458519155,0.21164339772742508,0.21236684217496146,0.21319812475248892,0.21490502784063087,0.21676876985672858,0.2168506521249913,0.21770871487877613,0.21773343082273908,0.21933986120204738,0.21934155960554558,0.2201902117771991],"n_dims_used":45,"mean_confidence":0.9212534586588542},"coverage":{"mean_confidence":0.9212534586588542,"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}}