{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000417},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000065","490:4900000939","490:4900000505","490:4900000110","490:4900000068","490:4900000502","490:4900000182","490:4900000337","490:4900000831","490:4900000506","490:4900000296","490:4900000295","490:4900000250","490:4900000236","490:4900000234","490:4900001745","490:4900000248","490:4900000218","490:4900000342","490:4900000153","490:4900000491","490:4900000414","490:4900000601","490:4900000155","490:4900000465"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.5430503304279503,0.416893260388086,0.3987498391296405,0.3643387378220849,0.3448627349360094,0.3239635652015041,0.3118626006359886,0.297210878099704,0.2931575243435617,0.27706169714998125,0.2637605080517295,0.26035122227102786,0.23955865197568516,0.23882451172346486,0.21758154463177692,0.2170357779828571,0.20315607821224202,0.1968871568363251,0.1927490551499514,0.18802002603104734,0.18097187866548584,0.17436950025227507,0.16540854936933744,0.16311578195535112,0.1618675839198966],"twin_dists":[0.14351610067347906,0.17180044009164247,0.17611488363555103,0.18455628437642754,0.1895107594551969,0.19499556576137642,0.19826118490962533,0.2023137195498548,0.2034553537430535,0.2080843072923694,0.21203486783139502,0.21306729641643707,0.21955757424486397,0.21979324176790424,0.22682954407713363,0.22701622484637135,0.23187457488193253,0.2341435322598544,0.23566878376181352,0.2374400314111766,0.24013884901394894,0.24273528937151295,0.24637411435334353,0.24732788139860007,0.24785120447732664],"n_dims_used":45,"mean_confidence":0.9161402384440104},"coverage":{"mean_confidence":0.9161402384440104,"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}}