{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900002154},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003722","490:4900001991","490:4900002316","490:4900001721","490:4900002751","490:4900002629","490:4900001295","494:4940007384","490:4900002153","494:4940007486","490:4900001705","490:4900002325","490:4900002906","490:4900001987","494:4940004187","490:4900002891","490:4900004424","487:4870007470","494:4940008002","490:4900002007","494:4940007279","490:4900001294","490:4900002135","490:4900003857","490:4900001963"],"twin_admin_codes":[490,490,490,490,490,490,490,494,490,494,490,490,490,490,494,490,490,487,494,490,494,490,490,490,490],"twin_sims":[0.49438741595210883,0.454774978128858,0.4518072197753408,0.32522152185279546,0.3224194907215336,0.2963261385692113,0.29501346133928413,0.29466270734697636,0.29066243257342805,0.283899421900534,0.28164841698319426,0.2625940631911947,0.25777736688424135,0.2572800613778775,0.25003936878246774,0.24447236486233312,0.24187480914363962,0.2412000970629743,0.2339061661506821,0.22988400837762138,0.22725308815542822,0.22289722437543433,0.22148672973944503,0.21416686028319673,0.21305199306166792],"twin_dists":[0.15415569075183896,0.16303801260689701,0.16371395917473583,0.19466004110647556,0.19540839702037355,0.20256212079331337,0.20293147698532193,0.2030303349350278,0.2041627527530007,0.20609859703790462,0.20674906699363316,0.2123871545731903,0.21385237237487564,0.2140046292065003,0.2162429244890495,0.21799215102283442,0.21881712156207767,0.21903234380361036,0.2213844063616631,0.22270202166252484,0.22357212725837686,0.2250275161262811,0.22550284932138015,0.22800277969742647,0.2283885635164979],"n_dims_used":45,"mean_confidence":0.9137742784288194},"coverage":{"mean_confidence":0.9137742784288194,"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}}