{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001603},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001604","478:4780009870","478:4780009966","478:4780009772","478:4780009765","496:4960005257","490:4900004561","478:4780009781","478:4780009965","494:4940006821","496:4960005407","478:4780009273","496:4960004806","496:4960005256","490:4900002627","493:4930007190","496:4960005411","496:4960005258","478:4780009380","478:4780009472","493:4930007189","494:4940004551","496:4960002678","494:4940008825","490:4900003756"],"twin_admin_codes":[490,478,478,478,478,496,490,478,478,494,496,478,496,496,490,493,496,496,478,478,493,494,496,494,490],"twin_sims":[0.6668487828636427,0.3938772338103761,0.35722982259929165,0.33526901171286283,0.3248963052757912,0.3173551885354211,0.31707355050018077,0.31379537148895037,0.31352215510837395,0.3120580321313003,0.3068769788835143,0.2968092608755111,0.29536358911953886,0.2890822499649509,0.287935716208539,0.2773974423208659,0.27646606074979896,0.2754280768882886,0.27212785475677326,0.2717938654013584,0.2709059477546285,0.2698152047601867,0.26717643442631805,0.26598010863667376,0.2647393479516337],"twin_dists":[0.1169147376790738,0.17728852323785366,0.18634847853714756,0.19200545543566971,0.19474671430778703,0.19677023484331038,0.1968463275102971,0.19773485068358587,0.1978091410039846,0.1982078804435017,0.19962755034650298,0.20242642440600972,0.20283286471464249,0.2046126305174401,0.20493996825713917,0.2079861141582341,0.2082586879915744,0.20856312159010387,0.2095357537550068,0.20963458935750093,0.20989771046205355,0.21022166542242043,0.21100875745866304,0.21136718713340555,0.21173999158993456],"n_dims_used":45,"mean_confidence":0.9174627516004774},"coverage":{"mean_confidence":0.9174627516004774,"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}}