{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005201},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004784","490:4900003007","490:4900005199","490:4900005345","490:4900005202","490:4900003149","490:4900012121","490:4900003681","490:4900011325","487:4870002241","490:4900004510","490:4900011662","490:4900011918","490:4900013330","490:4900003005","490:4900008706","490:4900013350","490:4900004924","490:4900013346","490:4900005204","490:4900013329","490:4900007824","490:4900012123","466:4660009150","490:4900011029"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,487,490,490,490,490,490,490,490,490,490,490,490,490,490,466,490],"twin_sims":[0.2005012500857389,0.016697274830756895,0.012627204060683878,0.004541287951084504,0.0035200127931890794,0.0030158813324975354,0.002127297130796067,0.00156205566449988,0.0014129339898493215,0.0013332899383943309,0.0012892334313736522,0.0012779398329719194,0.00109984568433486,0.001010753215407608,0.0008545737582559012,0.0008530825117441658,0.0007708012008139942,0.0006890378548327443,0.000639297716883946,0.0006173970259552836,0.0005684625238413877,0.0005631476630522525,0.0005485325172789584,0.0005371946451753437,0.0005279688610275498],"twin_dists":[0.23282948182403604,0.37156406514549584,0.38403785930704026,0.42659546930806236,0.43655182065578624,0.442483852544444,0.4555949276810071,0.4668893921917764,0.47050022168210004,0.47257561429315836,0.4737734241784074,0.4740865677147512,0.4793964608970127,0.48235949217202484,0.4881936109094692,0.4882539512632609,0.4917453566178288,0.49557675433481235,0.4981203959933114,0.4992993631481477,0.5020812349816421,0.502396710393927,0.5032787704051395,0.5039782805304202,0.5045577281006597],"n_dims_used":45,"mean_confidence":0.9376348707411024},"coverage":{"mean_confidence":0.9376348707411024,"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}}