{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012101},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900012036","490:4900011914","490:4900011774","490:4900011708","490:4900012096","490:4900009115","490:4900011582","490:4900011836","490:4900011981","490:4900011649","490:4900011952","490:4900012041","490:4900010216","491:4910005612","490:4900012037","491:4910005614","490:4900011083","490:4900011966","490:4900011572","490:4900012028","490:4900012111","491:4910005610","490:4900011980","490:4900011449","490:4900012089"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,491,490,491,490,490,490,490,490,491,490,490,490],"twin_sims":[0.05537756453552929,0.04349329797018577,0.03138441198399507,0.02022164148234737,0.015324947915588,0.014670217393501698,0.008263191091963875,0.007830699839636806,0.006659988366192518,0.006323342820333912,0.006190446600656998,0.006140632921986006,0.006062289882278274,0.005253801808354192,0.004706816066634695,0.004151114348891547,0.003931904916082963,0.003888782614915863,0.003723616677632944,0.0029661874009100685,0.0029280029113039913,0.0028713991658891043,0.0027755041419265996,0.0024682421048637625,0.0023075026149873656],"twin_dists":[0.31243281834393827,0.32521299938411796,0.34171771631490044,0.36276629055915277,0.3754371638035368,0.37739371211843636,0.40223134887372597,0.40447942325892705,0.41117686490976413,0.41329919887860117,0.41416516021029837,0.4144940736264136,0.41501626344778675,0.42079347155727487,0.4251775574032625,0.4301327912307602,0.4322550444046624,0.4326851578268456,0.43437375541892925,0.4431167476407528,0.44360967956190694,0.4443513133983275,0.4456388214824906,0.45005769757088593,0.4525744612427125],"n_dims_used":45,"mean_confidence":0.8906892564561631},"coverage":{"mean_confidence":0.8906892564561631,"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}}