{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001884},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002015","490:4900000700","490:4900004449","494:4940008420","487:4870004844","490:4900002315","490:4900002043","487:4870006014","490:4900000942","490:4900001592","496:4960009475","490:4900000957","490:4900002157","466:4660012157","494:4940007783","487:4870004129","494:4940008434","487:4870004832","496:4960008253","490:4900001431","496:4960005572","490:4900000122","490:4900000096","490:4900001182","496:4960008670"],"twin_admin_codes":[490,490,490,494,487,490,490,487,490,490,496,490,490,466,494,487,494,487,496,490,496,490,490,490,496],"twin_sims":[0.35544079280440316,0.3147377602433694,0.3056219661582113,0.29466996369023607,0.26050663514274,0.22407521493294402,0.21622271419014374,0.21001979767136486,0.20689271562785636,0.20242563297801325,0.19878466676864187,0.19855612887980462,0.18410815490463625,0.1696877705190623,0.16860126867226374,0.15816152726216418,0.15695026969356304,0.1566038944803468,0.15627417673438904,0.15485860148436925,0.15301669723028435,0.14961833114594722,0.14813618099445916,0.14810935547749018,0.14439010370387595],"twin_dists":[0.18680237090714163,0.19747888726850085,0.19997350919639706,0.20302828907345158,0.21302004913490413,0.2246320713020238,0.227294921875,0.22944477484332007,0.23054495052825816,0.23213644693505622,0.23345155789790367,0.23353465745793994,0.23892895421634477,0.2446192208388614,0.24506174653581264,0.24942248665511732,0.24994184145360798,0.2500908954604742,0.25023300518288605,0.2508456263402496,0.25164891885130697,0.2531498425855605,0.25381231771263896,0.25382435284808874,0.25550880876331455],"n_dims_used":45,"mean_confidence":0.9101234436035156},"coverage":{"mean_confidence":0.9101234436035156,"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}}