{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":500,"cluster_id":5000000900},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["500:5000001459","500:5000001469","500:5000001212","500:5000001368","500:5000001460","500:5000002138","485:4850007129","500:5000001157","500:5000000777","500:5000000845","485:4850007722","500:5000002019","500:5000002400","500:5000001035","485:4850007873","500:5000001729","500:5000000778","485:4850007790","485:4850007823","500:5000002267","485:4850007199","500:5000002039","485:4850007914","500:5000001663","500:5000001038"],"twin_admin_codes":[500,500,500,500,500,500,485,500,500,500,485,500,500,500,485,500,500,485,485,500,485,500,485,500,500],"twin_sims":[0.7247540080256717,0.7024760705358777,0.6780334675927057,0.634599874563727,0.619458489836286,0.5875116127002641,0.5685493441251473,0.5493888772698124,0.5450047010288968,0.5428110792167907,0.5193414653545428,0.5112198919615746,0.49635815921734455,0.4963177916396988,0.49601827527679404,0.49412545850243783,0.4826613208589834,0.4825315268448211,0.4796975592054398,0.47876324193194686,0.4786855304272251,0.47725274943614876,0.46141897251302527,0.44906170213644475,0.44507779193530855],"twin_dists":[0.1042113049548779,0.10914773405210311,0.1144898861706169,0.12385976684944322,0.12710587042424398,0.13394830095768162,0.13801780433450006,0.14214568335414204,0.1430932628434189,0.14356788263207126,0.14867012092048695,0.15044774791281335,0.1537197764859298,0.153728700505758,0.15379492078285803,0.15421367164413172,0.15676018154883645,0.15678911781034444,0.15742153612578388,0.1576302954270556,0.15764766478815842,0.15796806981461936,0.16153053558694938,0.1643407539675601,0.16525284052988606],"n_dims_used":45,"mean_confidence":0.9219617207845052},"coverage":{"mean_confidence":0.9219617207845052,"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}}