{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":499,"cluster_id":4990002979},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["499:4990003300","499:4990003645","499:4990003737","500:5000011278","499:4990002721","499:4990003946","499:4990004014","477:4770000457","472:4720000327","470:4700000120","470:4700001015","499:4990003078","499:4990001889","468:4680000817","499:4990002424","466:4660011576","472:4720002601","499:4990003593","499:4990001058","467:4670001462","500:5000009167","472:4720001234","472:4720001560","488:4880004214","499:4990001313"],"twin_admin_codes":[499,499,499,500,499,499,499,477,472,470,470,499,499,468,499,466,472,499,499,467,500,472,472,488,499],"twin_sims":[0.3600833423184783,0.23207640959668394,0.2181223487155063,0.20895729806316293,0.20785625934586505,0.19107738157268186,0.19029939249092367,0.17490492806133878,0.1746850736885184,0.17160451231549698,0.16791592424973914,0.15704935238236595,0.15063497549739283,0.14862443456174068,0.1463704839216749,0.14582678560203238,0.1435450865066559,0.13839214347749135,0.13323698437284076,0.13164108500713115,0.13131116103276613,0.13013498557459688,0.12880248093304675,0.12811782377899072,0.12729548192940576],"twin_dists":[0.18562692621946353,0.22198195163179751,0.22664487097733071,0.22981732650307266,0.2302047542938219,0.23629140174478439,0.23658246155174323,0.24252214691946306,0.24260960987340363,0.24384347761589462,0.24534193882791758,0.24989924784833745,0.25269822535750264,0.2535935457032533,0.254607947627348,0.25485436876394435,0.2558959905617747,0.2582944642071504,0.26076170316091385,0.26154001025336315,0.26170179682239775,0.2622810699669529,0.2629421308375797,0.2632838042500371,0.2636960195153802],"n_dims_used":45,"mean_confidence":0.9272964477539063},"coverage":{"mean_confidence":0.9272964477539063,"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}}