{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005209},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005215","490:4900005343","490:4900005073","490:4900005197","490:4900005217","490:4900005203","490:4900005199","490:4900005062","490:4900004923","490:4900011392","490:4900005476","490:4900005079","490:4900005198","490:4900005204","490:4900005213","490:4900005214","490:4900004925","490:4900005344","490:4900012204","490:4900009474","490:4900005479","490:4900005345","490:4900011326","490:4900005063","490:4900009057"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.27696931385432116,0.202983295554708,0.08621705396937922,0.08117520665415902,0.07933240095465889,0.055235261682224444,0.04848857613836072,0.046370235682701745,0.04613865764245619,0.0445688827906598,0.043629943739746414,0.03315449612685998,0.031994412814564006,0.031046888301677428,0.02980673069495366,0.02977573410175622,0.028302776195457634,0.026197498275926833,0.02580230515756064,0.024941003021780542,0.023771879385576688,0.023242561383029194,0.023123630477289308,0.022182560923320743,0.019940780749998242],"twin_dists":[0.2081113387541548,0.23193646077843516,0.2875414859859789,0.2910548062158531,0.2923825566578002,0.3125716961631211,0.31952434196559615,0.32187381392325226,0.3221360726479605,0.32394349236956216,0.3250502643779823,0.33899863164549615,0.34076620289964626,0.3422510236191193,0.3442541781603398,0.3443051537024142,0.3467816807253582,0.3505211772983142,0.35125185699582906,0.35287842834826083,0.35516585555641095,0.35623367506402104,0.35647649759237127,0.3584370605279811,0.36341603147644663],"n_dims_used":44,"mean_confidence":0.9312121651389382},"coverage":{"mean_confidence":0.9312121651389382,"n_dims_used":44,"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}}