{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005980},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900006830","490:4900007438","490:4900006833","490:4900007319","490:4900006832","490:4900005976","490:4900006106","490:4900007197","490:4900006105","490:4900006454","490:4900007078","490:4900005586","490:4900006225","490:4900009207","490:4900007201","490:4900009209","490:4900007200","490:4900007083","490:4900006466","490:4900007328","490:4900007569","490:4900009020","490:4900006955","490:4900006951","490:4900007683"],"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":[0.011112028873013637,0.009867822728733676,0.008396964623346586,0.0070046608123910436,0.0031802400627050195,0.003079499629694671,0.0013333458883496455,0.0006398842223539308,0.00024465074532211637,0.00019068637008492519,0.00015665327645906314,0.00012649203763712784,0.00011671747385543658,0.00011035930622536645,0.000037300019835076275,0.00003271395578800072,0.000027537475644819586,0.000022162574040502933,0.00001987423430734418,0.000015818234315986752,0.000012369338308656323,0.000011299298209231209,0.00000461509523058513,0.000004447379272923333,0.000002907326200383076],"twin_dists":[0.38961164640197093,0.3947191451941034,0.40155733899314094,0.409101729147564,0.4404563980292178,0.44168738468028856,0.47257411653014025,0.4980893434855789,0.5296484423615656,0.5375260280251025,0.5436601147953669,0.5502551115700702,0.5527148833056283,0.5544216701039638,0.5864956041579461,0.5902565780896764,0.5951586126439355,0.6012811622157622,0.6043306051554945,0.6106683260053193,0.6174241831409435,0.6198910759027644,0.6437944767225907,0.6447636040993657,0.6557896907064134],"n_dims_used":45,"mean_confidence":0.911460198296441},"coverage":{"mean_confidence":0.911460198296441,"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}}