{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001965},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001689","490:4900004054","491:4910001262","490:4900003776","490:4900002966","491:4910001338","491:4910001567","490:4900003772","490:4900002370","490:4900004055","490:4900003630","490:4900004472","490:4900002967","490:4900003773","490:4900002669","490:4900003498","490:4900004053","491:4910001203","490:4900004195","490:4900003242","490:4900002066","490:4900006670","491:4910001337","490:4900003775","491:4910001506"],"twin_admin_codes":[491,490,491,490,490,491,491,490,490,490,490,490,490,490,490,490,490,491,490,490,490,490,491,490,491],"twin_sims":[0.4114369256086414,0.3509978025924704,0.32695646138307755,0.25563304946240323,0.24937451213789,0.24924954787204898,0.2472784659178842,0.2277858070160468,0.19642090867587894,0.19421505452448032,0.18653158570642944,0.1779401893151632,0.17303247295084703,0.1729039254192529,0.16735815938534715,0.1655696048481636,0.16325825241325756,0.16168695220879606,0.1495847618511215,0.14137122608024383,0.139483466816597,0.13737339142300475,0.12743660894266406,0.12419845731262213,0.11763773290272275],"twin_dists":[0.17308907973687834,0.1879347390554671,0.1941984735187042,0.21451021660913805,0.21645050904528496,0.2164895654728599,0.2171072756846629,0.2233954089873773,0.23431426691908766,0.23512585687506543,0.2380039681080795,0.24132258036212642,0.24326957956398107,0.24332110378046695,0.24557058037259735,0.24630747702819347,0.2472683335407515,0.2479271787664058,0.25316479334808883,0.25689988011160253,0.2577810123750958,0.2587765096822901,0.2636251337513193,0.26526682209994773,0.2686955585340521],"n_dims_used":45,"mean_confidence":0.8961845397949219},"coverage":{"mean_confidence":0.8961845397949219,"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}}