{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008245},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008135","490:4900008369","490:4900007801","490:4900008367","490:4900007802","490:4900008368","490:4900008589","490:4900008366","490:4900009251","490:4900008701","490:4900008137","490:4900008476","490:4900007915","490:4900007561","490:4900009104","490:4900008256","490:4900007562","490:4900009210","490:4900006949","490:4900007804","490:4900007916","490:4900008798","490:4900007570","490:4900008808","490:4900008911"],"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":[0.030968680687057017,0.01519113855356355,0.007875367521025932,0.004330593608366274,0.0006576138788178223,0.0006219324697012513,0.00023543859584048026,0.0002055290432181498,0.00019369408042636287,0.00018674647016799986,0.0001300061311249173,0.000036632526124897546,0.000025641964434173186,0.000009784268984209658,0.000009432358852430675,0.000009221733852206206,0.000008445094642464097,0.000006743812815213062,0.000004940751477346412,0.0000031301519666761895,0.0000024407616896421347,0.000001665318144642554,0.0000014285761609620442,0.0000012669025545354214,0.0000012167632512175112],"twin_dists":[0.3423753040141065,0.37583096149623757,0.4042421571127646,0.428469718205853,0.4971629507980123,0.4990520431770256,0.530869347574795,0.5351687241931204,0.537034712717293,0.5381807773317733,0.5494144877714537,0.5870146958690206,0.5971764028207813,0.6237960902751057,0.6247857680322664,0.6253951492479499,0.6277634799669113,0.6337791171711631,0.6420055493622989,0.6538875153294954,0.6602735245950643,0.6699684505009138,0.6738178860536058,0.6768177000468292,0.6778233054791631],"n_dims_used":45,"mean_confidence":0.8859215630425348},"coverage":{"mean_confidence":0.8859215630425348,"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}}