{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000616},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000291","490:4900000181","490:4900000349","490:4900000157","490:4900000232","490:4900000175","490:4900001885","490:4900001087","496:4960006761","490:4900000917","490:4900000833","490:4900001881","490:4900001882","490:4900000095","490:4900002358","490:4900000521","496:4960009081","496:4960008776","490:4900000727","490:4900000707","490:4900002030","490:4900000581","490:4900000069","490:4900001323","490:4900000156"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,496,496,490,490,490,490,490,490,490],"twin_sims":[0.5172184942990418,0.515818683861651,0.49103091969353296,0.4299642826001905,0.42515222928561114,0.4182962695929174,0.4035860665631057,0.4000460852902545,0.3582044222462424,0.35642290957724143,0.3530448258510682,0.35204445326647654,0.3492945585316331,0.3365724658169182,0.3321555287880519,0.3311813576573128,0.3259279588219565,0.3205074582518306,0.31985819032449075,0.3041885219895799,0.2951523414057926,0.2937432838341229,0.2930853737183643,0.2888056736879678,0.2807145108281045],"twin_dists":[0.1491341306012752,0.14944033298295983,0.15489929034598163,0.16874221214231733,0.169863515456548,0.17147026308079333,0.174956458286285,0.17580377116572865,0.18610170630831435,0.18655305397618568,0.18741210228269625,0.18766731505920012,0.18837081828535374,0.1916642785355466,0.1928233316893871,0.19308009352378583,0.19447193467053356,0.19592114028896343,0.1960956417615607,0.20036966128682734,0.20289235363658287,0.203289799594756,0.2034757593395005,0.20469152250050204,0.20701985957642965],"n_dims_used":45,"mean_confidence":0.9177024841308594},"coverage":{"mean_confidence":0.9177024841308594,"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}}