{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900009129},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009248","490:4900008255","490:4900009147","490:4900009415","490:4900008366","490:4900008910","490:4900008590","490:4900009023","490:4900009250","490:4900008923","490:4900008369","490:4900009140","490:4900009144","490:4900008695","490:4900008147","490:4900007927","490:4900009210","490:4900008256","490:4900008798","490:4900009251","490:4900008038","490:4900008701","490:4900009018","490:4900009020","490:4900008911"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.017322020704391344,0.009272495952672533,0.004880317369376997,0.0025501372756455217,0.001545580787322397,0.0010539204489919392,0.0009678258088515923,0.0007830760099971976,0.000775925620225884,0.000764808093105246,0.0007518874612038872,0.0005609401079739428,0.00040500538320845434,0.00025896473797314617,0.00023210744859109212,0.0001983257525241178,0.0001552824446591104,0.00013955765286077353,0.00012172283298301388,0.00011005252734721648,0.00009994602310483384,0.0000849606826917107,0.0000760637345761485,0.00006945824540562067,0.00004763139493738164],"twin_dists":[0.3698927870918355,0.39736935546912394,0.4237390767436593,0.44883270261337516,0.46727228894350614,0.48089484572802543,0.4838747086559809,0.49120312602996946,0.4915180194419394,0.4920130223628762,0.49259678913425975,0.5025285621136126,0.5133447512011193,0.5278345437920803,0.5313219133958264,0.5362919916815809,0.5439327382358472,0.5472336002103982,0.5514319613897483,0.5545063528930143,0.5574288125197886,0.5623226945967783,0.5656310202346686,0.5683336284875337,0.5794212655336147],"n_dims_used":45,"mean_confidence":0.8756105211046007},"coverage":{"mean_confidence":0.8756105211046007,"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}}