{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960001424},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960001090","472:4720007838","468:4680003166","496:4960002839","472:4720005751","472:4720001472","466:4660002792","494:4940002460","472:4720007196","494:4940002459","496:4960000531","496:4960003282","496:4960002265","496:4960001286","496:4960000030","469:4690001806","466:4660001836","466:4660002803","496:4960000729","496:4960003394","496:4960001549","467:4670001009","472:4720005197","496:4960003808","499:4990003711"],"twin_admin_codes":[496,472,468,496,472,472,466,494,472,494,496,496,496,496,496,469,466,466,496,496,496,467,472,496,499],"twin_sims":[0.2640126623742512,0.20030603838915803,0.17322206852100586,0.17074156120728237,0.16922253485239433,0.16729526132502473,0.13805700776592247,0.136978145949082,0.13527022871424133,0.13438042952979526,0.12255993023481387,0.11961021096205712,0.11868320979251719,0.11844866014097721,0.1158282007231872,0.11279176239566409,0.11123953132420401,0.11066326114826279,0.11055404014588054,0.10998367729478994,0.10810434291559452,0.10473937946984047,0.10328151694926214,0.10305543884581252,0.10014726230569078],"twin_dists":[0.21195884090861739,0.23290003948512303,0.24319363609549133,0.24419195779920552,0.24480845853689778,0.24559639824865157,0.25845274754556574,0.25896424895690884,0.2597801950140293,0.2602083549214444,0.2661099494935496,0.2676496758129623,0.26813954951862706,0.26826396117715645,0.2696669278525709,0.27132343763788946,0.27218355394956373,0.27250523360939866,0.2725663476850394,0.27288625192182503,0.2739494979845444,0.2758896142012411,0.27674524444277887,0.27687877308016245,0.2786171651810839],"n_dims_used":45,"mean_confidence":0.9226192050509983},"coverage":{"mean_confidence":0.9226192050509983,"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}}