{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003351},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003077","490:4900001725","494:4940007716","490:4900003078","496:4960011549","490:4900003088","490:4900006890","490:4900001868","490:4900007628","494:4940007922","490:4900001587","466:4660013030","490:4900000693","496:4960011729","490:4900001203","490:4900001428","487:4870002771","490:4900001168","490:4900005523","490:4900002026","490:4900001053","490:4900000564","490:4900002632","490:4900003588","490:4900003485"],"twin_admin_codes":[490,490,494,490,496,490,490,490,490,494,490,466,490,496,490,490,487,490,490,490,490,490,490,490,490],"twin_sims":[0.35464316863433215,0.34403231299953724,0.3282436191005961,0.32027914689798903,0.29586304571925565,0.2926226275961538,0.2807019255274659,0.27599715444099887,0.2757045376149299,0.26131544772590193,0.2603824756993743,0.26018584571546294,0.25848743237407235,0.25670486844995005,0.2531116800073657,0.2502090440942638,0.24603738974121328,0.24590983428787544,0.2436600071572062,0.23904654458384936,0.23207820355831016,0.23166953895666179,0.2302849204142346,0.22548331894579052,0.2248577080425008],"twin_dists":[0.18700511512352067,0.18972521837405149,0.1938569093124503,0.1959824801109111,0.20269231378318714,0.20360670376406326,0.20702351249774945,0.2083961282904265,0.20848196906458583,0.2127744462668827,0.21305779359520136,0.2131175922409673,0.2136352971515423,0.21418096438661607,0.21528822265089087,0.2161900042399586,0.2174978351211233,0.21753804781145047,0.21824954039458638,0.2197219169973329,0.22198136426272544,0.22211524421593457,0.22257000942839594,0.2241611901944366,0.22437015731441576],"n_dims_used":45,"mean_confidence":0.9172336154513889},"coverage":{"mean_confidence":0.9172336154513889,"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}}