{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":476,"cluster_id":4760001293},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["476:4760001257","476:4760001292","476:4760001214","476:4760001330","476:4760001213","476:4760001294","476:4760001364","476:4760001368","476:4760001170","476:4760001168","476:4760001256","476:4760001120","476:4760001258","476:4760001002","476:4760001365","476:4760001162","476:4760000999","476:4760001211","476:4760000838","476:4760001329","476:4760001169","476:4760001367","476:4760000899","476:4760001114","476:4760001122"],"twin_admin_codes":[476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476,476],"twin_sims":[0.9184327571632996,0.8887181584948994,0.8585509600848519,0.8346541751200466,0.8284904432908884,0.7995422427933958,0.7908055643789018,0.7719000303972622,0.7594735239767789,0.7520822077657271,0.7503493847531562,0.7317132668802407,0.7230354037430573,0.7208337522335634,0.7089584275241789,0.7007289619692184,0.6926992186690054,0.6810892010202696,0.6769975670013774,0.6743267573748487,0.6685180629926627,0.6648222948412817,0.664569664911427,0.6621111508709018,0.6524486695163703],"twin_dists":[0.05357588999732034,0.0630861564313556,0.07172770308208977,0.0780842317067587,0.0796692867127952,0.08687349240535217,0.0889812094315414,0.09345554262926883,0.09634022891130765,0.09803754279569699,0.0984336097266454,0.10265287259466921,0.10459486649221936,0.1050855155387871,0.10771887210565678,0.10953188186523112,0.11129256985735377,0.11382548548427113,0.11471492262783749,0.11529467912142308,0.11655348692428494,0.11735300853613659,0.11740762381705576,0.11793888326590772,0.12002297327430704],"n_dims_used":44,"mean_confidence":0.9138232144442472},"coverage":{"mean_confidence":0.9138232144442472,"n_dims_used":44,"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}}