{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900005339},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005206","490:4900007821","490:4900007934","490:4900004236","490:4900009768","490:4900005070","490:4900005069","490:4900008391","490:4900009267","490:4900003147","490:4900005336","490:4900007107","490:4900007935","490:4900005077","490:4900005601","490:4900008708","490:4900005481","490:4900006976","490:4900006002","490:4900006001","490:4900007348","490:4900009472","490:4900007595","490:4900004511","490:4900009360"],"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":[0.009954430094149374,0.003122121890456981,0.0019068995646221703,0.0012737148841788404,0.0009644343948754873,0.0009060010119109447,0.0006519689848964838,0.0006366032212783645,0.00030379562674602936,0.00026730191653077815,0.0002629042070154574,0.00021425424330767597,0.00015889941889905045,0.00015364985102811536,0.000139332584633635,0.00010489549033346828,0.00008913332237463956,0.00007448311513262977,0.00006209674297607824,0.00005574116314196172,0.000047581052960521,0.00003875934348723982,0.000035288551475402614,0.00003098328360452998,0.00003088345639027049],"twin_dists":[0.3943455514024037,0.4411621431520636,0.45962640214965017,0.4742043733381459,0.4839970590870547,0.48617036397785884,0.49745535036745475,0.498263398021437,0.5227074727730061,0.5268209903950217,0.5273518597014595,0.5338567284003101,0.5432182397471884,0.5442603960511853,0.5472833471267295,0.5559643301190699,0.5608827070076942,0.5662568783289679,0.5716489261630792,0.5748260556292403,0.5794520483460851,0.5853908277445317,0.5880877395647882,0.5918077776316897,0.5918997495767689],"n_dims_used":45,"mean_confidence":0.9349694146050347},"coverage":{"mean_confidence":0.9349694146050347,"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}}