{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001024},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001426","490:4900003614","490:4900002611","490:4900001694","490:4900001319","490:4900000884","490:4900000692","490:4900001567","490:4900000690","490:4900000919","490:4900001424","490:4900003622","490:4900003081","490:4900004036","490:4900002490","490:4900001697","490:4900003207","490:4900001064","490:4900000924","490:4900003621","490:4900004585","496:4960011459","490:4900001695","490:4900000691","490:4900001998"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490],"twin_sims":[0.602699818751999,0.5838542136689494,0.5688829832211088,0.5680422110446253,0.5667984819441554,0.5634048955031864,0.5553584160293182,0.5475620118480069,0.5361443989170088,0.5305034639788881,0.5244323773667129,0.5215128571683124,0.521311071886897,0.5208718135034148,0.5193312284330512,0.5190716737814179,0.5015984370840554,0.499749249246869,0.4956342341874637,0.49340438116087226,0.48636376316882785,0.4800949110080586,0.4795595064208892,0.47578674153866535,0.47543463991532775],"twin_dists":[0.13069478402255233,0.13473236668737965,0.13794608986341644,0.1381268199308817,0.13839422557083944,0.1391242198386686,0.14085743820796928,0.1425403780156464,0.14501249893554458,0.1462376105530087,0.1475592279325903,0.1481959925610859,0.14824003336149244,0.14833591774924135,0.1486723572787843,0.14872906309128564,0.15256304729399447,0.15297084512727238,0.15387984547938366,0.15437331901438175,0.15593577618114374,0.15733279317911955,0.15745237376859206,0.15829622802210563,0.15837509321919072],"n_dims_used":45,"mean_confidence":0.9162567986382378},"coverage":{"mean_confidence":0.9162567986382378,"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}}