{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990000747},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990000598","499:4990000834","477:4770003699","499:4990000402","499:4990001085","477:4770003589","499:4990000333","499:4990001302","499:4990000166","499:4990000593","477:4770003652","499:4990000755","499:4990000995","499:4990001086","477:4770003873","477:4770003812","477:4770003837","499:4990000338","499:4990000683","499:4990000460","488:4880000028","499:4990000909","470:4700000441","470:4700000236","499:4990000522"],"twin_admin_codes":[499,499,477,499,499,477,499,499,499,499,477,499,499,499,477,477,477,499,499,499,488,499,470,470,499],"twin_sims":[0.8613629375173701,0.8278539343711652,0.8218524176330317,0.8039014961756019,0.797259944518213,0.7794472061125741,0.7784797391001236,0.7594349248186326,0.7497285838089466,0.746339924195602,0.7450014509872656,0.7439281536872135,0.7429448597344249,0.7370930442795346,0.7300411197689183,0.7205699635906395,0.7187633091092003,0.7175071328491666,0.713440357073069,0.6822561152368051,0.6803497810548034,0.6629279412754981,0.6628819143804259,0.6608945204868087,0.660018061603513],"twin_dists":[0.07095458983324951,0.07983184076633566,0.08135461468375822,0.08581127574520372,0.08742675493629705,0.09168261661084412,0.0919108292237527,0.096349126989003,0.09857533923820443,0.09934746679467128,0.09965175774163364,0.0998954871277417,0.10011856512014174,0.1014420592983927,0.10302811663007784,0.10514424877636873,0.10554620318336623,0.10582537756169187,0.10672750601865584,0.11357153088184484,0.11398633674151845,0.11776243082492312,0.11777237532660179,0.11820162814416005,0.11839084694675295],"n_dims_used":45,"mean_confidence":0.9253624810112847},"coverage":{"mean_confidence":0.9253624810112847,"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}}