{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001339},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001346","470:4700002617","490:4900001612","466:4660000024","487:4870004862","470:4700002449","469:4690002445","469:4690002333","496:4960012203","470:4700001661","490:4900006059","490:4900001079","496:4960011825","496:4960011989","470:4700002454","470:4700002284","469:4690003172","496:4960012139","469:4690003357","466:4660000261","469:4690002751","469:4690001478","470:4700001965","490:4900007274","496:4960004517"],"twin_admin_codes":[490,470,490,466,487,470,469,469,496,470,490,490,496,496,470,470,469,496,469,466,469,469,470,490,496],"twin_sims":[0.4559885097829778,0.4377992913977015,0.4315714294781927,0.40570522609776083,0.4046030174648885,0.40176430337105923,0.3996667660058675,0.39284166723992336,0.3919922317420722,0.39059404276773285,0.37442285696292454,0.37255397668586615,0.3701430675523255,0.36592787604080623,0.36542831780760365,0.3648645260863661,0.3626316991927391,0.362341329145411,0.3598438067003856,0.351834391972652,0.35003368823962167,0.3482863508449655,0.34527915482128085,0.3452040874349286,0.3327643796734762],"twin_dists":[0.16276208050195298,0.1669273417873038,0.16836886102633153,0.17445082517338814,0.17471366515766246,0.1753920856661391,0.1758947641699457,0.17753881657985193,0.17774435162053606,0.1780831195719639,0.18204396084787558,0.18250700742841922,0.1831060485830663,0.18415808687535232,0.1842831694102098,0.1844244385563507,0.18498500276683455,0.18505803009994143,0.18568738335445595,0.1877209533738636,0.18818144349164878,0.18862947378484174,0.18940332092364145,0.1894226836297638,0.192663066075171],"n_dims_used":45,"mean_confidence":0.9124789767795138},"coverage":{"mean_confidence":0.9124789767795138,"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}}