{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001191},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000286","490:4900000423","490:4900000433","490:4900000622","490:4900001045","490:4900001458","490:4900000578","490:4900001457","490:4900000589","490:4900000394","490:4900000288","490:4900000489","496:4960007286","490:4900000026","494:4940008238","490:4900001183","496:4960008861","490:4900000239","490:4900000688","490:4900000808","490:4900000207","490:4900004045","490:4900002932","490:4900000699","490:4900001726"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,496,490,494,490,496,490,490,490,490,490,490,490,490],"twin_sims":[0.5776524926591945,0.5697593519558108,0.5305757894638802,0.5264996009612098,0.5034709795920728,0.4895153178396922,0.48717573510407497,0.4869825301404056,0.4740225556583801,0.4717574355806793,0.46791969607535894,0.4643697097530698,0.46199281578711193,0.46094366424672734,0.4515975700929034,0.45039000445684796,0.4434664034274706,0.43084011939633315,0.4276878028525159,0.42311769275557,0.41535935013730513,0.4149493124626028,0.41459603504682413,0.4083729981625299,0.4075874132041225],"twin_dists":[0.13606270335238763,0.1377577403432938,0.14622188574006287,0.14710883868256958,0.1521505206336429,0.15523554981480198,0.15575523721728377,0.15579818729165115,0.1586915705753356,0.1591998830516304,0.1600629779152399,0.1608635125871708,0.16140069945541602,0.16163812069361072,0.16376177155792956,0.1640373278789261,0.1656226387395423,0.16853867915617446,0.16927202970130883,0.17033918154239147,0.17216196812446655,0.17225870737039473,0.17234208838525578,0.17381596254811257,0.17400272044844917],"n_dims_used":45,"mean_confidence":0.9161570231119792},"coverage":{"mean_confidence":0.9161570231119792,"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}}