{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001708},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001707","490:4900001572","490:4900001710","490:4900001571","490:4900001848","490:4900003595","490:4900001722","490:4900001862","490:4900001166","490:4900001999","490:4900003330","490:4900001051","490:4900004149","490:4900002333","490:4900002491","490:4900001453","490:4900003602","490:4900002343","490:4900001331","490:4900002178","490:4900002767","490:4900002032","490:4900003896","490:4900002021","490:4900002193"],"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":[0.8648987916154834,0.720301817110741,0.7081912540649155,0.6949877697378436,0.6568908003635076,0.6273306666718906,0.6259827708475616,0.6235514509387637,0.6021444035435325,0.5788760889431235,0.569685333909807,0.5616053739630922,0.5517973973356898,0.519423855545523,0.5182092307170805,0.5111376741824749,0.509152694273324,0.5014770625617984,0.4907064422932403,0.46371791420848774,0.4613989225681867,0.46081337491302876,0.4596993552550437,0.45673784249380106,0.4556033867878193],"twin_dists":[0.06997397841716024,0.10520394071372936,0.10788827562087604,0.11079154453680923,0.1190655815922194,0.12541888503819545,0.12570782763478786,0.1262289151558409,0.13081371877369535,0.13580013657395879,0.13777364707565268,0.13951154147834735,0.14162565223723786,0.14865212233600458,0.14891753252042225,0.1504657792900337,0.15090133599033706,0.15258980101343167,0.15497125455198235,0.16101072483482007,0.16153507306074172,0.1616676182929851,0.16191995423644723,0.16259183099982727,0.1628496205339236],"n_dims_used":45,"mean_confidence":0.9169916788736979},"coverage":{"mean_confidence":0.9169916788736979,"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}}