{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001622},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960011211","496:4960011900","490:4900001620","496:4960007562","496:4960011380","496:4960011918","469:4690002227","490:4900001904","466:4660000875","466:4660000874","493:4930007143","493:4930001900","496:4960005835","496:4960007435","496:4960005973","493:4930000454","488:4880003423","490:4900001215","493:4930006325","480:4800003476","496:4960012063","496:4960008682","494:4940006476","493:4930004235","496:4960005972"],"twin_admin_codes":[496,496,490,496,496,496,469,490,466,466,493,493,496,496,496,493,488,490,493,480,496,496,494,493,496],"twin_sims":[0.4571669351380343,0.42549401489897853,0.34564927838217135,0.3342269459625621,0.3226829997253415,0.3073801881962184,0.27400317362231913,0.2570006760380733,0.24703181863787288,0.24224625553009418,0.22751917860971554,0.2223049071386453,0.21105504482865783,0.20519282141167505,0.20427239058727847,0.19538253931696364,0.1865773198999682,0.18362588938601723,0.18283833871559754,0.17925796090846574,0.1786358490182311,0.177103668722142,0.177034155990931,0.17309427852072007,0.17213314155732584],"twin_dists":[0.16249438606248348,0.1697837004713792,0.18930788470221793,0.1922787321847442,0.19533786608961384,0.1994890641744236,0.20898218242885494,0.21409024838384919,0.2171847936749795,0.21869880213372375,0.22348382309586315,0.2252268802985013,0.22908300892142117,0.23114777606017625,0.23147561080208076,0.2346955174068421,0.2379865935104941,0.23911404864224362,0.23941705036835198,0.24080630970980169,0.241049701068533,0.24165171917503697,0.2416791194688982,0.24324481649648957,0.24363062423498863],"n_dims_used":45,"mean_confidence":0.9166060553656684},"coverage":{"mean_confidence":0.9166060553656684,"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}}