{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":491,"cluster_id":4910001101},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910001301","491:4910001233","491:4910001100","491:4910001599","491:4910001941","491:4910003020","491:4910001885","491:4910001298","491:4910002628","491:4910001718","491:4910001991","491:4910002343","491:4910002187","491:4910001737","491:4910001600","492:4920001072","491:4910001234","491:4910000964","491:4910001307","491:4910003097","491:4910002338","491:4910001375","491:4910002050","491:4910002290","491:4910001482"],"twin_admin_codes":[491,491,491,491,491,491,491,491,491,491,491,491,491,491,491,492,491,491,491,491,491,491,491,491,491],"twin_sims":[0.39125993378267593,0.27288697201580664,0.2682318646328903,0.2328814173676767,0.2181606503979229,0.21018956385771911,0.20791016073253485,0.1993230540054386,0.18533672213558344,0.1758959343837317,0.17075711711697583,0.16326724884083468,0.16310412816550812,0.1581360120921709,0.1399356909027308,0.13779926477389892,0.122274503102012,0.12032336393833214,0.11987684217431048,0.11889852752708141,0.1180404014976933,0.11556743504912126,0.11479392846308076,0.11328875587467142,0.11277532238499548],"twin_dists":[0.17792170995589215,0.20931138986832476,0.21069336821554968,0.22171867968751036,0.22663180343622633,0.22938536734889606,0.23018575524531948,0.23325605318978979,0.23845896581764423,0.24212887269715505,0.24418566479077503,0.24726457460008583,0.24733275395697812,0.24943339691859276,0.2575691259291392,0.25857467408136187,0.266257696600157,0.26727478207911237,0.2675093123784771,0.2680255045720338,0.2684809635578109,0.2698078671062712,0.27022737640114475,0.27104997528813524,0.271332499334001],"n_dims_used":45,"mean_confidence":0.8985904269748264},"coverage":{"mean_confidence":0.8985904269748264,"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}}