{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004593},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004037","490:4900004597","490:4900003617","490:4900003893","490:4900002498","490:4900003753","490:4900002496","490:4900003898","490:4900001316","490:4900004592","496:4960012130","490:4900003076","490:4900002176","490:4900005138","490:4900002806","490:4900000902","490:4900001296","490:4900002656","490:4900001332","490:4900003892","490:4900004586","490:4900004174","490:4900004873","490:4900000685","490:4900001319"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.7762318693653558,0.7031646602116315,0.6420991876110759,0.5327709423014301,0.48930162470298016,0.4883655080295735,0.48403186662638503,0.4677853686276508,0.46367933071962564,0.4590928713675501,0.44893422600393695,0.4477480218409307,0.4452734496026675,0.44409493202886885,0.43963975239329384,0.4380806810077027,0.43806009719145206,0.4302013465887994,0.42927029926310273,0.4191198274175458,0.40559731351904527,0.4043271465616784,0.40182626576781394,0.3991005878254586,0.3983428914069453],"twin_dists":[0.0924399858305558,0.108996220768695,0.1222494260885657,0.1457448347388543,0.15528298594547948,0.1554908609721316,0.15645478061595117,0.1600932311307089,0.16101944142889713,0.16205742014931399,0.16436989120877177,0.1646411715405485,0.16520797392319803,0.1654783362024347,0.16650290502879245,0.16686240389786355,0.16686715358510715,0.1686871049373901,0.16890360477257058,0.17127667124522655,0.17447654463567597,0.17477950122469238,0.17537725435875792,0.1760306549343248,0.17621265032541905],"n_dims_used":45,"mean_confidence":0.9176688300238716},"coverage":{"mean_confidence":0.9176688300238716,"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}}