{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011448},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012186","490:4900011445","490:4900011704","490:4900011776","490:4900010998","490:4900011085","490:4900011234","490:4900010770","490:4900010924","490:4900011004","490:4900011245","490:4900011376","490:4900010496","490:4900010931","490:4900011009","490:4900010760","490:4900011773","490:4900010755","490:4900011587","490:4900010590","490:4900011319","490:4900011162","490:4900010925","490:4900011375","490:4900011388"],"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":[0.48661308855750823,0.41730782267143063,0.289616943528187,0.2866152281975203,0.2768072892580595,0.27558107739756904,0.258883618831071,0.2426783207586775,0.24011093662711958,0.22657122012692077,0.2260633588968272,0.22526617232011129,0.22238394399375183,0.20835169952713398,0.20709745671651966,0.19497810896880022,0.1947124228617582,0.18148328408992315,0.17450150757671787,0.17120685146784018,0.15256128023499127,0.1483837609479652,0.14162933146806989,0.13302490068030356,0.1212891839031219],"twin_dists":[0.15588032980764632,0.17170282973891468,0.20446023955628145,0.2053179383247131,0.20815876064037786,0.2085182035278874,0.21351434176157447,0.2185613210181055,0.21938059378553776,0.22379872360323597,0.2239677885558382,0.22423367799516747,0.22520025732561827,0.2300302488064002,0.2304725727475477,0.23484438941142635,0.23494230594473842,0.23994055667489245,0.24268269672940584,0.24400390611564743,0.2518486279390217,0.2537013180548502,0.25678008890139,0.26086472907088487,0.26676976134563857],"n_dims_used":45,"mean_confidence":0.8923702663845486},"coverage":{"mean_confidence":0.8923702663845486,"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}}