{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000564},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000671","490:4900000588","490:4900000930","490:4900001427","494:4940007494","490:4900003078","490:4900001028","490:4900002486","490:4900003088","494:4940008313","490:4900000798","490:4900000577","490:4900000466","490:4900000569","494:4940007289","490:4900000787","494:4940008416","490:4900001706","490:4900001035","490:4900000912","490:4900002932","494:4940007270","494:4940007709","496:4960009273","490:4900000897"],"twin_admin_codes":[490,490,490,490,494,490,490,490,490,494,490,490,490,490,494,490,494,490,490,490,490,494,494,496,490],"twin_sims":[0.6675582330388481,0.6168791173614357,0.5740709860250744,0.5402520330086041,0.5330069453738171,0.5259504286030408,0.5077136534929733,0.5071291634497845,0.506372529805643,0.4789076760981362,0.4730501328530126,0.4523212304642396,0.44777519230040513,0.4424670928500784,0.4394259950231188,0.432982164821259,0.4325688931209317,0.4205445635857578,0.4189209738080817,0.41575326465629747,0.4130365498581515,0.40198300028528416,0.3935835319510714,0.3923218727375218,0.38963878520835316],"twin_dists":[0.11676123100705452,0.12765838888563977,0.13683153677356094,0.14412200828186608,0.14569357081324477,0.14722844927017295,0.15121737418915632,0.15134580522685978,0.15151211967988595,0.15759801523487083,0.15890969155484796,0.16359676945804572,0.16463495473083872,0.165852230671029,0.16655216468572692,0.16804160157268702,0.16813742684771182,0.17094214289251022,0.17132340046795436,0.17206907152817394,0.17271052819200622,0.17533974302401453,0.17735947904700525,0.17766456490604104,0.1783148957983053],"n_dims_used":45,"mean_confidence":0.9165885077582465},"coverage":{"mean_confidence":0.9165885077582465,"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}}