{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000413},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000697","490:4900000237","490:4900000174","490:4900000188","490:4900000238","490:4900000501","490:4900000225","490:4900000589","490:4900000339","490:4900000500","490:4900000400","490:4900000808","490:4900000109","490:4900000703","490:4900000239","496:4960009173","490:4900000823","490:4900001735","496:4960008588","496:4960008578","490:4900001179","490:4900000411","490:4900000137","490:4900001458","466:4660013980"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,496,496,490,490,490,490,466],"twin_sims":[0.49835824829124065,0.46272912271037026,0.4311843825081706,0.43096812098416576,0.42946958373201993,0.38843309188749464,0.3827806730665936,0.3781359632750017,0.370066926261432,0.36777204569163374,0.35927299896617865,0.3535950392914486,0.3506055741394598,0.3380715552373403,0.3330393959016431,0.3321422143807052,0.29206764506110106,0.29164080270231624,0.28189264321256574,0.2813220030984699,0.2791062897387967,0.2759848111107278,0.275612302494195,0.26969706217645556,0.2671418580010243],"twin_dists":[0.15327787723194197,0.16123418797917335,0.16845872297681452,0.1685089473612753,0.16885724831953258,0.1786078171183636,0.1799868391609949,0.18112732542281412,0.18312499895844442,0.1836970728436709,0.18583153421945206,0.18727189334823016,0.18803506244346674,0.19127277664053577,0.19259072701654903,0.19282683818435062,0.20376391064952565,0.2038849406599239,0.20667834163062462,0.20684365104146166,0.2074874583872079,0.2083997481500656,0.2085090383044612,0.21025680277769795,0.21101910284255945],"n_dims_used":45,"mean_confidence":0.911893547905816},"coverage":{"mean_confidence":0.911893547905816,"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}}