{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001854},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000407","494:4940008537","490:4900001035","490:4900001190","490:4900001168","496:4960008252","494:4940007512","490:4900000172","494:4940007616","494:4940007930","487:4870002770","494:4940007816","496:4960008370","496:4960007285","490:4900001289","494:4940007923","490:4900001565","494:4940007596","490:4900002924","490:4900001177","494:4940008136","487:4870004559","490:4900003088","490:4900003221","496:4960008956"],"twin_admin_codes":[490,494,490,490,490,496,494,490,494,494,487,494,496,496,490,494,490,494,490,490,494,487,490,490,496],"twin_sims":[0.5843822069094656,0.4482677602053809,0.42879166927517937,0.4191681727032431,0.4175869704542009,0.41727807727732347,0.41422210800982734,0.4043392020712712,0.3833656293821478,0.38066891862255303,0.3782037411355566,0.37060973910762857,0.3450794178616313,0.34269489787329444,0.3402796930568132,0.33972168638576133,0.3310566341703386,0.33094346934877933,0.32579006726820914,0.3144727869202378,0.31012305092584064,0.3092497977462756,0.30585857400855304,0.3050461358050211,0.29920713993166165],"twin_dists":[0.13461915639850247,0.16452227608750683,0.1690149770002911,0.17126531186182647,0.1716371266508164,0.1717098320284496,0.172430376604646,0.17477662378010297,0.17984367922426053,0.18050453772481148,0.1811106343334582,0.18298994361821852,0.1894548455386345,0.19007118910158077,0.19069779913316898,0.1908429088508405,0.1931129966635129,0.19314285640200618,0.19450863396498363,0.1975508129720342,0.1987364953179376,0.1989756765512505,0.19990822280714188,0.20013251831733553,0.20175483642332975],"n_dims_used":45,"mean_confidence":0.9152818467881945},"coverage":{"mean_confidence":0.9152818467881945,"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}}