{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003651},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003518","490:4900004356","490:4900003794","490:4900003654","490:4900004355","490:4900004493","490:4900003127","490:4900003129","490:4900003259","490:4900003527","490:4900003254","490:4900003258","490:4900003657","490:4900002991","490:4900003125","490:4900003519","490:4900003266","490:4900003648","490:4900003396","490:4900004354","490:4900002990","490:4900003131","490:4900001376","490:4900002995","490:4900002986"],"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":[0.5815409561848207,0.5496572789933255,0.4820139239753134,0.4761406550217378,0.45966042087174563,0.4569628470127043,0.4097404783440779,0.347855932415003,0.3269952770095699,0.3029853204438112,0.2978842003377114,0.2901780999555691,0.27339696356576326,0.24390417669646855,0.2419038178886265,0.23405933641304744,0.23162206178544806,0.20704916190566014,0.2028470568437144,0.20072814768928743,0.193000169333364,0.16709942000928604,0.15772489746361162,0.15164998689386033,0.1447073711771614],"twin_dists":[0.1352284541781508,0.14208771353366875,0.1569045364549949,0.15821697621874134,0.1619287771756215,0.16254072939772743,0.17349124797326676,0.1887400174343228,0.1941881624351083,0.2007030189932621,0.20212496745652483,0.20430048689557806,0.20916087282339269,0.21817211897820754,0.21880787696846962,0.2213345247791602,0.22213080797561197,0.23048964098627953,0.23198528316132735,0.23274753099273102,0.23557558122002703,0.24567683038273277,0.24960936634380104,0.2522495654993691,0.2553638727104439],"n_dims_used":45,"mean_confidence":0.9151697794596354},"coverage":{"mean_confidence":0.9151697794596354,"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}}