{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008799},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008356","490:4900009327","490:4900009023","490:4900009310","490:4900008685","490:4900008815","490:4900008909","490:4900008027","490:4900007917","490:4900009357","490:4900009018","490:4900008910","490:4900008355","490:4900008807","490:4900008244","490:4900008134","490:4900008911","490:4900008038","490:4900009017","490:4900006714","490:4900008573","490:4900008256","490:4900009252","490:4900007800","490:4900008255"],"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":[0.0073703510234534855,0.0031568208578638796,0.0028339541771904547,0.0008076156215013997,0.0003728370522963036,0.00029444139531442567,0.0002866830969345457,0.0002117444590597843,0.00020019308483547096,0.0001778592912940433,0.0001655774863636689,0.00010349964505264897,0.00006867244892772501,0.00006418764207149925,0.00005626738480821523,0.00005109636433212034,0.00004781094710001191,0.00004267411181667151,0.00003820291637190657,0.00003776177682386214,0.00003633217993921719,0.00003583050174176,0.00001983045905319594,0.000019428210375595245,0.00001680807527646191],"twin_dists":[0.4069981288796606,0.4407393557366183,0.44484930878446494,0.4901424032924071,0.5160568625109989,0.5237157281483077,0.5245750364880153,0.5342288927363341,0.535997161658444,0.539706798798177,0.541938435406428,0.556370612794595,0.5686712032271698,0.5706709166621811,0.5745502734568619,0.5773734543195981,0.5793117251200138,0.5826117417800017,0.5858073280697927,0.5861416524635498,0.5872512077539983,0.5876504401092452,0.6043921466434569,0.6049637934593386,0.6089895202928309],"n_dims_used":45,"mean_confidence":0.8899522569444445},"coverage":{"mean_confidence":0.8899522569444445,"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}}