{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002097},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004247","490:4900002099","490:4900004108","490:4900001941","490:4900001384","490:4900003830","490:4900003976","490:4900001947","490:4900003973","490:4900001797","490:4900002701","490:4900004106","490:4900001522","490:4900004520","490:4900002106","490:4900001962","490:4900003970","490:4900002422","490:4900003693","490:4900002558","490:4900001939","490:4900003547","490:4900004242","490:4900003820","494:4940007115"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494],"twin_sims":[0.4409734676349265,0.4376623254013325,0.4068136493875268,0.3530120788579881,0.32129897787550293,0.3196366595906662,0.27956677071803276,0.27578809334828847,0.24707053118541192,0.22528219295501264,0.20767970855911913,0.20515779327668832,0.2000687477000476,0.18617540799888996,0.17777752468638622,0.15692812117370897,0.15520744077319018,0.15106795902297757,0.14184990136155531,0.13733823190584588,0.13693313737197457,0.13462639602269333,0.12384959743582657,0.1208781024647996,0.12040901691536389],"twin_dists":[0.16619576610172795,0.16695895617257567,0.17418682400305693,0.18742045066072835,0.19570867412565351,0.19615522727985327,0.2073534042508294,0.20845745184201964,0.21717262354336905,0.22422832840720247,0.23026700807611492,0.23116023376949332,0.2329858700827918,0.23813938389035424,0.24138649640542617,0.24995136532978157,0.2506942794299676,0.25250656497088064,0.256677847243037,0.25879319385613725,0.2589856534670291,0.26008978673446953,0.26544562061086585,0.2669843364194703,0.2672298698962257],"n_dims_used":45,"mean_confidence":0.9185667249891493},"coverage":{"mean_confidence":0.9185667249891493,"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}}