{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":474,"cluster_id":4740000972},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["474:4740001888","474:4740000605","474:4740000026","478:4780001550","474:4740000558","487:4870007080","487:4870011702","474:4740000235","487:4870011705","474:4740001086","474:4740002279","474:4740004440","466:4660004100","474:4740000353","474:4740003006","474:4740001570","474:4740000061","487:4870011600","487:4870012947","474:4740000051","474:4740001971","487:4870004004","474:4740001264","474:4740002634","475:4750003328"],"twin_admin_codes":[474,474,474,478,474,487,487,474,487,474,474,474,466,474,474,474,474,487,487,474,474,487,474,474,475],"twin_sims":[0.31106763577399676,0.29909657183277666,0.24406219606923013,0.21531342904085143,0.21390908652426513,0.20069618661319163,0.1905200889516767,0.18021081456886773,0.1748808637939758,0.15350015201441428,0.1505009947775824,0.14912187219169185,0.14736421320449783,0.14570004191189556,0.13865274087631071,0.13583260508814327,0.13461572220255147,0.1320906361974232,0.12803856347383652,0.12480689033784115,0.12320824642014723,0.12198855523583844,0.1219071364365755,0.12062770542153863,0.11953367948593867],"twin_dists":[0.19847821058352222,0.20178573429961172,0.21812204077497685,0.2276074384516733,0.22809185773663254,0.23275907082608546,0.2364998107122063,0.24043467940254454,0.24253171639630458,0.2514373912455461,0.2527576141050081,0.25337120315556216,0.254159302422404,0.2549119106944174,0.2581715828563134,0.25951067524287685,0.26009492867415956,0.2613200524285023,0.2633234476973223,0.26495589804746217,0.2657753294611075,0.26640597704204994,0.26644824583561016,0.2671153110448171,0.26769000867674103],"n_dims_used":45,"mean_confidence":0.918361579047309},"coverage":{"mean_confidence":0.918361579047309,"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}}