{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000428},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000423","490:4900000207","490:4900000688","496:4960009476","490:4900000947","490:4900000730","490:4900000821","490:4900000433","490:4900000286","490:4900000411","490:4900000026","490:4900001191","490:4900001458","490:4900001427","490:4900000288","487:4870003830","490:4900000508","490:4900000030","496:4960008588","496:4960004364","490:4900000048","494:4940008238","490:4900001045","496:4960008474","490:4900000097"],"twin_admin_codes":[490,490,490,496,490,490,490,490,490,490,490,490,490,490,490,487,490,490,496,496,490,494,490,496,490],"twin_sims":[0.6552146102227406,0.5810172623791704,0.5500234098506335,0.5357791940072651,0.49314011281872444,0.4515605685236835,0.44577244608364575,0.42867288217753746,0.4156549346186454,0.4079855130709841,0.39572030049488954,0.3952026323194269,0.37716773020978234,0.3734580690551396,0.3552276850366154,0.352351901062487,0.3521488892973388,0.3506356585080413,0.3409899939144856,0.33047550395950387,0.32879649694772506,0.31522252922800725,0.30810829148768976,0.3041227239858557,0.30388745896444636],"twin_dists":[0.11942698116508846,0.13534078321153692,0.14200864352822398,0.1450917356410005,0.1544318453862385,0.1637702109334691,0.16509358222219278,0.16904262540485987,0.1720922570843533,0.1739080598896371,0.1768438119485426,0.17696862268687483,0.18136592314897912,0.18228286086112463,0.18685651668630734,0.1875888395446801,0.18764065394201604,0.1880273654486403,0.1905132697150742,0.193266393480632,0.1937104227036507,0.1973473879885812,0.19928891685325292,0.20038787140915643,0.2004530015796826],"n_dims_used":45,"mean_confidence":0.9128943549262153},"coverage":{"mean_confidence":0.9128943549262153,"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}}