{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002906},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001705","490:4900001721","490:4900002325","490:4900001294","490:4900001295","490:4900003588","490:4900002770","490:4900001164","490:4900003219","490:4900004285","490:4900002007","490:4900003053","490:4900000826","494:4940007504","490:4900003992","490:4900004575","490:4900003722","494:4940007392","490:4900003057","490:4900001569","490:4900001738","494:4940007795","490:4900000507","494:4940007597","490:4900003230"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,494,490,490,490,494,490,494,490],"twin_sims":[0.6687689997895844,0.5471640744777188,0.5351229483277117,0.4628565035783208,0.4459770275654839,0.42402713098983746,0.4213366968091128,0.40893690862013526,0.3921087783139103,0.379590271600668,0.377173686233633,0.37568507316234706,0.35674832380202093,0.3488261051660818,0.3469163461980913,0.3396469645947596,0.3249626862003417,0.31953819585253246,0.31692687553197146,0.313165544958454,0.3095186757784239,0.3080489592837843,0.30753399131372827,0.30642311313863485,0.3038574596525945],"twin_dists":[0.1164991627228717,0.14262638189873322,0.14523414504067375,0.16120539099929163,0.16504669736097666,0.1701264410644589,0.17075635726000746,0.17368200139610693,0.1777161389731425,0.18076950295544095,0.18136445451953565,0.18173186768986593,0.18647052353874902,0.18849095106792518,0.1889815803627134,0.19086234997223717,0.19472901927197872,0.196181718692501,0.1968859711118131,0.19790616237639044,0.1989019904987855,0.19930521640645352,0.1994467627216227,0.1997525692531034,0.20046130861548084],"n_dims_used":45,"mean_confidence":0.91700439453125},"coverage":{"mean_confidence":0.91700439453125,"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}}