{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012856},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004813","490:4900006516","490:4900004279","494:4940008485","487:4870003000","490:4900009514","493:4930006864","494:4940007326","490:4900005928","490:4900008542","490:4900001100","490:4900007738","490:4900012788","487:4870007167","490:4900006515","490:4900004167","470:4700003480","490:4900009200","470:4700004516","466:4660007187","490:4900003045","488:4880001162","486:4860001661","478:4780009470","490:4900000421"],"twin_admin_codes":[490,490,490,494,487,490,493,494,490,490,490,490,490,487,490,490,470,490,470,466,490,488,486,478,490],"twin_sims":[0.16976667760949157,0.16615694616031706,0.07695270606002087,0.05593189429773382,0.05113853659659191,0.0400033149976745,0.03930519344091567,0.03450637444010939,0.034464492018750056,0.034094498719743745,0.03377176268998653,0.03314993457065956,0.03311781644357794,0.03100054941536487,0.02975052505831698,0.027291104115593528,0.025759282170428548,0.02458861472829619,0.023944351630872992,0.022956299259298662,0.021555655772321256,0.018986859290363232,0.018886375666463926,0.018183212536721755,0.018076223648715455],"twin_dists":[0.24458716182918333,0.24606485802729586,0.2941342757148948,0.3118946291531425,0.3167029743754127,0.3295227208487525,0.33042267868269676,0.33700420998029273,0.337064991191823,0.33760468837309704,0.33807954302844456,0.33900547778646684,0.3390537045476285,0.3423246287442841,0.34434664488365835,0.34854762855845406,0.35133198492310475,0.3535579424236116,0.35482236759964675,0.3568199801413496,0.35978360374500484,0.3656841303621721,0.3659288057097443,0.3676735724677907,0.36794420148274865],"n_dims_used":45,"mean_confidence":0.917742919921875},"coverage":{"mean_confidence":0.917742919921875,"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}}