{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003124},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001644","490:4900002987","490:4900002844","490:4900004502","490:4900001507","490:4900004228","490:4900004640","490:4900005842","490:4900001643","490:4900002848","490:4900007173","490:4900000995","471:4710001308","490:4900006804","490:4900007527","497:4970000174","490:4900012935","490:4900013023","469:4690002821","494:4940006143","490:4900001373","491:4910001003","491:4910005446","490:4900003134","476:4760001828"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,471,490,490,497,490,490,469,494,490,491,491,490,476],"twin_sims":[0.2647109331986093,0.2228629147133287,0.08447164533139614,0.06568644824960299,0.05873510082782042,0.012670448791235786,0.010033174023221045,0.007412962521667265,0.006386687479402941,0.002535674471433562,0.002440428287463045,0.001235541996546313,0.0011644025648958707,0.0007392974376027644,0.00064765033451667,0.0006405711394817466,0.0006123723804694217,0.0006042432859531336,0.00036218375485047734,0.00034337660694961714,0.00032694158840694987,0.000323967252136421,0.0002915056048339098,0.00027004451971757745,0.0002589228750994657],"twin_dists":[0.21174854195643392,0.22503905454085021,0.28873872666831835,0.3030761143503185,0.3092386412427208,0.38388766897817084,0.39400838442536973,0.4067591447734198,0.4128921992363057,0.44904639213199166,0.4504822253257018,0.4752854606265829,0.47738537333770575,0.49317466799974835,0.49768064909189486,0.49805300839705313,0.4995753451905248,0.5000263445589549,0.5170035285700169,0.5187403172428084,0.5203326648092446,0.5206288381299967,0.5240383684929527,0.5264940551284524,0.5278397099927121],"n_dims_used":45,"mean_confidence":0.9126512315538194},"coverage":{"mean_confidence":0.9126512315538194,"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}}