{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001514},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001331","491:4910001256","491:4910001330","491:4910001569","491:4910001456","491:4910001186","491:4910001967","491:4910001129","491:4910001323","491:4910001059","491:4910001855","491:4910001065","491:4910001968","491:4910001382","491:4910001916","491:4910001117","491:4910002014","491:4910001679","491:4910000994","491:4910001128","491:4910001563","491:4910001501","491:4910001187","490:4900002373","491:4910001141"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,490,491],"twin_sims":[0.5829802418939553,0.477583967510962,0.40142779245210575,0.40135520995361285,0.3975203204761159,0.38807980437050743,0.35991879847239194,0.3525440511430857,0.34957223429519835,0.29614618430728723,0.29018213753084826,0.2861614968267234,0.28451025634316085,0.2791764788413803,0.25594935620189796,0.2522951866102045,0.2345335639462472,0.22513160915261538,0.22228013871004643,0.22168870238266394,0.2048653629508697,0.19801406220574064,0.19227001408571215,0.18647130374808427,0.18646582640809956],"twin_dists":[0.13491977638110103,0.1578939737439538,0.17547265090920294,0.17549003213848569,0.1764104074135234,0.17869372884308543,0.185668453740078,0.1875398116761245,0.18829964947526065,0.2026126985216295,0.20429933812715267,0.20544805313709527,0.20592262230244063,0.20746701641941478,0.2144129595638686,0.21554121898379963,0.22118022292541478,0.22427862112347094,0.2252352246583704,0.22543466127891154,0.23126429307429203,0.23373202502144644,0.23584681751373698,0.2380268740287435,0.2380289555644748],"n_dims_used":44,"mean_confidence":0.894952427257191},"coverage":{"mean_confidence":0.894952427257191,"n_dims_used":44,"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}}