{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000600},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000183","490:4900000354","490:4900000179","490:4900000066","490:4900000728","490:4900000132","490:4900000435","490:4900000072","490:4900000244","490:4900000725","490:4900000217","490:4900000113","490:4900000050","490:4900000067","490:4900000201","490:4900000402","490:4900000778","487:4870005262","487:4870003105","490:4900000200","490:4900000092","487:4870003812","487:4870004979","490:4900004188","487:4870003107"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,487,487,490,490,487,487,490,487],"twin_sims":[0.44604300110133965,0.42610918750745935,0.4215408633428455,0.42005863844328206,0.2868900552728469,0.28327854326447527,0.271311131227199,0.2629752567089568,0.229594437160416,0.2128003784709795,0.19208097108175998,0.18921787513964275,0.18505141360465344,0.18268695156697018,0.17547745771595383,0.17172693560510652,0.1687573074994268,0.15805275405155095,0.15660538173557748,0.15619336503766743,0.1544002941239882,0.15423005612192697,0.1521514684654553,0.12915208471397566,0.1163887396512535],"twin_dists":[0.16503157965495885,0.1696401101531717,0.17070849626239445,0.17105618417193555,0.20523918729962448,0.2062776994889411,0.20977757453625182,0.21227191998551206,0.22279746613469895,0.2284758198948266,0.23591715965002769,0.23698846131566464,0.23856791465696778,0.23947540042687213,0.24229474923186625,0.24379414195395635,0.2449980670502375,0.2494690069082362,0.250090254942603,0.2502678687778682,0.25104484668210747,0.25111895726074623,0.25202871268142785,0.2627681928882201,0.2693647893399869],"n_dims_used":45,"mean_confidence":0.9106321546766493},"coverage":{"mean_confidence":0.9106321546766493,"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}}