{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009843},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009923","490:4900010983","490:4900010325","490:4900010752","490:4900010584","490:4900010243","490:4900011092","490:4900010497","490:4900010413","490:4900010736","490:4900010575","490:4900010240","490:4900010825","490:4900010667","490:4900011518","490:4900011370","490:4900009927","490:4900009924","490:4900010123","490:4900010327","490:4900009925","490:4900011302","490:4900008225","490:4900009743","491:4910005807"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,491],"twin_sims":[0.0992507749703821,0.08406799698691855,0.04621196207308144,0.030061537341688697,0.02516597255988594,0.02132538023853123,0.021066880545892213,0.020488232383439883,0.018065607323645087,0.016885457059801337,0.016555109708542987,0.01578479937585697,0.0140275939945677,0.013345954077681446,0.012527481482164803,0.011291972369441806,0.01039428225188077,0.010231558538695963,0.008033917403867333,0.006506497902439264,0.006369417543546526,0.00614648638146865,0.005946822721541075,0.0057335643398750006,0.004665642377972343],"twin_dists":[0.27916100671828536,0.28901840853140814,0.32205293746171826,0.3438368492519153,0.3524489459306538,0.36028677918870555,0.36085729079337336,0.3621567992396234,0.3679711319508167,0.3710549585245237,0.3719520280706059,0.3741065149695417,0.3793904268688362,0.3815986500891615,0.38438594306317136,0.3889155750068616,0.3924917629009348,0.3931692806225459,0.40340960163128087,0.41213224446990415,0.413002799395248,0.4144552994795984,0.41579710903263634,0.4172759508813344,0.4255259737274699],"n_dims_used":45,"mean_confidence":0.8914218478732638},"coverage":{"mean_confidence":0.8914218478732638,"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}}