{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004976},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007505","490:4900004836","487:4870006298","493:4930007067","487:4870006452","466:4660002135","470:4700004762","496:4960004551","496:4960003959","466:4660010762","496:4960003815","487:4870003998","466:4660002799","466:4660009417","496:4960003957","496:4960008086","496:4960000574","487:4870004687","466:4660009415","466:4660010077","487:4870005878","466:4660010595","466:4660008721","487:4870006453","487:4870002205"],"twin_admin_codes":[490,490,487,493,487,466,470,496,496,466,496,487,466,466,496,496,496,487,466,466,487,466,466,487,487],"twin_sims":[0.5477250239013716,0.35362733270376395,0.25438796317191514,0.24458372499974493,0.23896451483376818,0.20598055858291026,0.2042094421407459,0.19587203896418254,0.18925114307383226,0.184131191194671,0.18077945026316067,0.1794737995331887,0.17894402620007904,0.17780726929442986,0.17750185348624042,0.17740824267196637,0.16794043956451454,0.16456525227553356,0.16410559791239007,0.16382677456091055,0.16326719475261448,0.16325297017275128,0.16280456787456862,0.16242263576254837,0.16238931383281838],"twin_dists":[0.1425051502397154,0.18726366765380323,0.21489379473348114,0.21795691044417792,0.21974826281732118,0.2308680017992735,0.2314980684183334,0.23451561683178473,0.23697594843066064,0.23892012139836197,0.2402135638395125,0.24072200628042006,0.24092905663070285,0.2413748057111277,0.2414949112330343,0.24153175332284338,0.24533190194931248,0.24672379903476885,0.24691494666811636,0.24703108434653473,0.24726459719909824,0.2472705406676618,0.24745808955768972,0.24761813198330118,0.24763210792680765],"n_dims_used":45,"mean_confidence":0.9143580966525607},"coverage":{"mean_confidence":0.9143580966525607,"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}}