{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900004192},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002965","490:4900002375","491:4910001258","490:4900002374","491:4910001204","491:4910001270","491:4910002161","491:4910001259","491:4910001061","491:4910001505","491:4910001253","490:4900004337","490:4900002066","490:4900003241","491:4910002259","491:4910001073","491:4910001509","491:4910001506","491:4910002113","490:4900003922","491:4910001117","490:4900003106","491:4910001386","490:4900003631","490:4900003642"],"twin_admin_codes":[490,490,491,490,491,491,491,491,491,491,491,490,490,490,491,491,491,491,491,490,491,490,491,490,490],"twin_sims":[0.46210389384776446,0.26724312173897774,0.23218543075731576,0.17770874829817734,0.1766076665825519,0.1720474537468806,0.16383857044631348,0.16140124087262983,0.13390767614382454,0.13081903827582225,0.12875000688757912,0.12707104771484093,0.11947379305934609,0.11577855758927022,0.11455810815193292,0.11392473370366252,0.1114093526894272,0.11069110275171935,0.1090870162633398,0.10516205101593487,0.10350196456522698,0.10244865979483361,0.10206299361416703,0.09247911098597002,0.09155953581136561],"twin_dists":[0.16137557382614565,0.21098880673669484,0.22194626194334144,0.24141353330766824,0.2418473993615829,0.24366509474909614,0.24702616813639433,0.2480474757389994,0.26043670418262765,0.2619436920042166,0.2629682689805145,0.26380887181295704,0.2677215832030136,0.2696937402951398,0.27035570516004265,0.2707013838851004,0.2720890036007191,0.2724896624336656,0.273391774305239,0.2756432801410634,0.27661526063579844,0.27723828849272725,0.27746765968528714,0.2833986593885756,0.28399282387780767],"n_dims_used":45,"mean_confidence":0.896779039171007},"coverage":{"mean_confidence":0.896779039171007,"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}}