{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003055},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003459","490:4900003748","487:4870001496","487:4870001114","490:4900002471","490:4900002147","490:4900002607","490:4900003213","487:4870002655","490:4900002468","487:4870001400","487:4870000842","496:4960005261","494:4940007182","487:4870001495","490:4900001568","487:4870001302","494:4940007397","494:4940005297","490:4900003190","494:4940007388","496:4960006624","490:4900004856","494:4940004303","490:4900001844"],"twin_admin_codes":[490,490,487,487,490,490,490,490,487,490,487,487,496,494,487,490,487,494,494,490,494,496,490,494,490],"twin_sims":[0.41959222538854496,0.4168494814704067,0.40351676999868036,0.40062838098137815,0.3989726446842236,0.39742068518532864,0.39314028562947295,0.3797696379110919,0.366098279980489,0.3538056438578155,0.29420341614906287,0.2941989327652241,0.27064431071621997,0.2509393817838601,0.2502480887396012,0.24453427635111077,0.24213636073584757,0.2377039444874076,0.2325920002430025,0.23156845702305676,0.22546633788279766,0.22298432670372945,0.22138124082032218,0.21816110813164594,0.2150799960859725],"twin_dists":[0.171165698743968,0.17181075043999972,0.17497301255477857,0.17566416337695542,0.1760613752558718,0.1764343737846535,0.17746661001447736,0.18072541715779866,0.18411543970479907,0.18721825571493178,0.203159888645829,0.2031611538770314,0.20997534414145774,0.21596247966055518,0.21617782980241426,0.2179725574858172,0.2187337954513706,0.2201538678183184,0.22181326248992372,0.2221483829794036,0.22416685713407752,0.22499822874166753,0.22553847998602955,0.22663164727866375,0.2276878116306054],"n_dims_used":45,"mean_confidence":0.9175802442762587},"coverage":{"mean_confidence":0.9175802442762587,"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}}