{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011936},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012195","490:4900012143","490:4900011676","490:4900012194","490:4900011935","490:4900012067","490:4900012068","490:4900012065","490:4900011932","490:4900009790","490:4900011999","490:4900011125","490:4900012129","490:4900011545","490:4900011852","490:4900010699","490:4900012200","490:4900012008","490:4900012136","490:4900011116","490:4900011939","490:4900011872","490:4900007716","490:4900012003","490:4900009168"],"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":[0.771043737055997,0.5299520172993639,0.4859623230502033,0.4690802351595683,0.4639188460153476,0.45886697005962845,0.4588402666197821,0.4103656370350321,0.38098499851165135,0.3706047870951534,0.3680912369720218,0.36159669454018173,0.33230073815185707,0.31149707687725836,0.30317301276659003,0.2668911653400613,0.2591046428354926,0.2473872796229427,0.24032421323857045,0.23903128724181238,0.23443806690498462,0.23143700398978356,0.2217466805491634,0.21384522290672373,0.2132808226091047],"twin_dists":[0.09365565798307916,0.14635751953447546,0.15602506898387355,0.15980172460621156,0.16096533539241695,0.1621086396350038,0.16211469480679044,0.17334295995355845,0.18042696266734817,0.1829911752668005,0.18361739757100418,0.1852454397210384,0.192785094197643,0.19836093371613855,0.20065096661869322,0.21109413583185158,0.21344691399608454,0.217073092756028,0.21931231975357768,0.21972681681300388,0.22121127883531821,0.22219149286837797,0.2254150949215931,0.22811393808953292,0.2283092691901449],"n_dims_used":45,"mean_confidence":0.9131934271918403},"coverage":{"mean_confidence":0.9131934271918403,"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}}