{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002233},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002193","480:4800002183","480:4800002234","480:4800002457","480:4800002238","480:4800002412","480:4800002462","480:4800002239","480:4800002186","480:4800002134","480:4800001868","480:4800001752","480:4800001934","480:4800001860","480:4800002413","480:4800002318","480:4800002379","480:4800002331","480:4800001977","480:4800002031","480:4800002184","480:4800002284","480:4800001526","480:4800002138","480:4800002459"],"twin_admin_codes":[480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480,480],"twin_sims":[0.6395475686606898,0.6292655965386306,0.5769259412157651,0.5197366442571792,0.44517836300057506,0.4240964607970412,0.4235835575566782,0.412957695726878,0.39970979968383047,0.36954225148691405,0.33935472477903816,0.28914843394370054,0.2817413653992688,0.27894711190595184,0.25168705385126805,0.2501019720079417,0.2493528130330157,0.24309190844663653,0.23887011518259307,0.23617408832656542,0.22890726285907786,0.22708205285955507,0.21980225268921766,0.20843396948139292,0.18752935654951008],"twin_dists":[0.12279758480491576,0.1250040232487762,0.1362186344708073,0.14858379809029115,0.16522977745928638,0.17011023090035451,0.1702301801993631,0.17272917407111,0.17588443906258397,0.18325563503828446,0.19093840701860182,0.2045937585569945,0.20672214573026762,0.20753382914037213,0.2157299922940824,0.2162233964178487,0.21645729000132605,0.2184298676206555,0.21977858881137255,0.22064800755755007,0.22302428162848945,0.22362892280760727,0.2260731723835337,0.23000129880745754,0.2376255879758597],"n_dims_used":42,"mean_confidence":0.9114636012486049},"coverage":{"mean_confidence":0.9114636012486049,"n_dims_used":42,"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}}