{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003885},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002454","490:4900003619","494:4940007163","490:4900001561","490:4900001989","490:4900003886","490:4900002310","490:4900004415","487:4870001299","490:4900004297","490:4900007639","490:4900008095","490:4900004129","494:4940004056","490:4900000780","494:4940008396","490:4900004287","494:4940006969","490:4900004719","490:4900003482","490:4900002315","490:4900003989","490:4900001026","490:4900004268","490:4900004443"],"twin_admin_codes":[490,490,494,490,490,490,490,490,487,490,490,490,490,494,490,494,490,494,490,490,490,490,490,490,490],"twin_sims":[0.3692359095889226,0.35787428111106573,0.3448047397314117,0.3352429852999639,0.2695247073736455,0.24935262028293093,0.17560307059460334,0.1732936246670545,0.1552286264860052,0.151209357232757,0.1509766679456551,0.14904785335129256,0.14747937519409526,0.1439286657948961,0.1411051141624326,0.13935371076804884,0.13493931524323974,0.13402596734584718,0.1276782685867834,0.1262829218276757,0.1237696973745359,0.1209049357795004,0.11986071954720569,0.11862804615911529,0.1176908764410771],"twin_dists":[0.1833319522162636,0.18618526060045207,0.1895257279801612,0.19201227511838603,0.21030808072881454,0.21645735023729332,0.24224492899583866,0.2431649893624286,0.2506850958475629,0.25244406250491414,0.2525469413643478,0.2534042531088992,0.2541074542477487,0.25572002780431424,0.2570235578783161,0.2578419032813804,0.2599391787713945,0.2603795104540351,0.26350389003777647,0.2642063657496551,0.26548662508305754,0.26697031306841024,0.2675177930770011,0.2681687929051566,0.26866720443441827],"n_dims_used":45,"mean_confidence":0.9167711046006944},"coverage":{"mean_confidence":0.9167711046006944,"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}}