{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800002372},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["480:4800002323","480:4800002133","480:4800002374","484:4840000297","487:4870001231","466:4660011620","475:4750000153","466:4660011619","475:4750000108","475:4750000130","498:4980000675","466:4660011297","475:4750000086","484:4840007746","473:4730005207","492:4920003081","497:4970003082","480:4800002271","480:4800006482","496:4960010902","475:4750000214","475:4750000658","497:4970002942","480:4800002280","497:4970002887"],"twin_admin_codes":[480,480,480,484,487,466,475,466,475,475,498,466,475,484,473,492,497,480,480,496,475,475,497,480,497],"twin_sims":[0.00494154099359314,0.004688191257657936,0.0013689847410202475,0.00020934857731680486,0.000058343249404102886,0.00004876722630161565,0.000048127590767077085,0.00004238967787951193,0.000028225617687880572,0.000027993036520745962,0.000021666668262179638,0.00002058954541217901,0.000019870020952578778,0.00001615522885465562,0.000014035987803157613,0.000011491026620767176,0.0000060326370244301345,0.00000583654791942793,0.000005731913990566962,0.0000026814163882919625,0.000002674683122955243,0.0000026356264938248573,0.000002117815793518285,0.0000019649292209034124,0.000001454663275811133],"twin_dists":[0.42324252478458924,0.42533481886894775,0.47163168147531137,0.5345880596767622,0.5734857045215319,0.5787348237323908,0.5791194970890253,0.5828053236205055,0.5944586841144339,0.5946934131723232,0.6019156521688241,0.6033428895528965,0.6043365228785856,0.6100857819760461,0.6139612497813381,0.6194330722133673,0.6367381040287892,0.6376128676486139,0.6380912404559568,0.6578669156290469,0.6579313764282647,0.6583083886438547,0.6638892452641607,0.6657902400554184,0.6733647397911184],"n_dims_used":42,"mean_confidence":0.8880867731003534},"coverage":{"mean_confidence":0.8880867731003534,"n_dims_used":42,"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}}