{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009024},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009138","490:4900008796","490:4900009320","490:4900009321","490:4900009665","490:4900009216","491:4910005157","490:4900008258","490:4900008579","490:4900011845","490:4900008133","490:4900009224","490:4900009108","490:4900009113","490:4900008574","490:4900009027","490:4900008003","490:4900009214","490:4900009731","490:4900008889","490:4900008460","490:4900008696","490:4900009323","490:4900009036","490:4900007906"],"twin_admin_codes":[490,490,490,490,490,490,491,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.05187681753331441,0.013584784106752516,0.011512058155474165,0.006005074449629047,0.005624057745290748,0.00544095617342899,0.0035873547521551342,0.003569022102876963,0.0034223421367543137,0.003400083988591356,0.0032379108204550104,0.002704641934955281,0.002654912633744908,0.002498770206418165,0.0024491668649759993,0.002125355740699361,0.001592439657492098,0.0015425382315918225,0.0013198106869954577,0.001091347226800362,0.0010554643543292446,0.0010038287066515227,0.0009830323417895888,0.00097905902643622,0.0009709100200801373],"twin_dists":[0.31593865116109643,0.3808138306602471,0.3880774970785431,0.4154014889894742,0.41805473227576506,0.4193880458343311,0.4358190019954882,0.43601724859118907,0.43763771614399943,0.4378891304256037,0.4397676317335552,0.4466166556470595,0.44731697887136057,0.4495967601395093,0.4503483708619537,0.45562872915220104,0.4661929002012569,0.46734341344945607,0.4729381540293183,0.47966930901643706,0.480843498655836,0.48259982020315084,0.48333095503364437,0.4834722751520723,0.48376378596669584],"n_dims_used":45,"mean_confidence":0.894510481092665},"coverage":{"mean_confidence":0.894510481092665,"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}}