{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003378},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004205","490:4900003376","490:4900003920","490:4900002819","490:4900003779","490:4900003919","490:4900002970","490:4900004346","491:4910001401","490:4900004064","490:4900006553","490:4900004052","491:4910001009","490:4900002674","490:4900003505","490:4900003776","490:4900002673","490:4900002221","490:4900002963","490:4900005432","490:4900003769","490:4900003105","490:4900004478","491:4910001340","491:4910002159"],"twin_admin_codes":[490,490,490,490,490,490,490,490,491,490,490,490,491,490,490,490,490,490,490,490,490,490,490,491,491],"twin_sims":[0.5828534957453886,0.44294934597773344,0.29043841413321103,0.27340629271433237,0.2655037128496618,0.24278945352741574,0.22392694630465573,0.21288414644076906,0.1828855504844056,0.17249628151446897,0.16357018924571023,0.1606416205883719,0.16052254423777565,0.14785527770080342,0.13862349945621202,0.12793634997916406,0.1252909782588598,0.12449274721541673,0.12162728572292053,0.1166903707368138,0.11516956501291081,0.11078149566279497,0.10226613566138486,0.09366770286437442,0.09108771127801178],"twin_dists":[0.1349469568212784,0.1657414078991941,0.20422644194263082,0.20915812106045806,0.21151019871248125,0.218525984705714,0.22468176794632558,0.22844676259905614,0.23939886022778842,0.24348467636603824,0.24713808570093182,0.2483680628060697,0.24841841708374596,0.2539384234658307,0.25818536267380526,0.26337459901562815,0.2647093389615,0.2651162886080911,0.26659369544414463,0.2692026678585489,0.2700233804107642,0.2724391285908227,0.27734675875898784,0.282637550975425,0.28429951713992646],"n_dims_used":45,"mean_confidence":0.9008629692925347},"coverage":{"mean_confidence":0.9008629692925347,"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}}