{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002596},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004133","490:4900002589","490:4900003852","490:4900005110","490:4900004417","490:4900003319","490:4900003996","490:4900004270","494:4940006221","490:4900004823","490:4900002738","490:4900002744","490:4900002445","490:4900003178","490:4900002173","494:4940005769","490:4900001982","490:4900002437","490:4900004687","490:4900002145","487:4870002282","490:4900003461","490:4900002447","494:4940005025","490:4900002728"],"twin_admin_codes":[490,490,490,490,490,490,490,490,494,490,490,490,490,490,490,494,490,490,490,490,487,490,490,494,490],"twin_sims":[0.5196239061605894,0.3920889906629914,0.3320119960766693,0.3213372283113629,0.2922579979094288,0.28478649290244024,0.27841256272664244,0.27327565324328057,0.26018800062559067,0.25881252970842455,0.2587797215320301,0.23852757702112187,0.23077435874627714,0.22823855255344283,0.21804164813205795,0.20319013631305202,0.19614987746118837,0.18650503617723743,0.18636538899645202,0.18335625365101693,0.18147500735185693,0.18120608868378202,0.1784449192533684,0.1727584172526073,0.1709543002338198],"twin_dists":[0.1486084230039729,0.17772092873150225,0.19286113665024265,0.19569841405867217,0.20370997047377662,0.20584311629192445,0.2076896688093788,0.20919666025525593,0.21311693674087664,0.21353603661876533,0.21354605022831336,0.21988869513312156,0.22240905257133314,0.22324543514208958,0.226672408969687,0.2318623804889527,0.2344136444657636,0.23801405574962678,0.23806713208353839,0.23921768474777713,0.23994376274942122,0.2400479872978913,0.24112451989890912,0.24337945919526618,0.24410593167803915],"n_dims_used":45,"mean_confidence":0.9200207180447049},"coverage":{"mean_confidence":0.9200207180447049,"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}}