{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001340},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["496:4960000505","470:4700005828","490:4900003078","490:4900005251","496:4960011562","487:4870002873","490:4900001427","469:4690003458","490:4900002026","490:4900007518","487:4870001779","496:4960007605","490:4900005141","490:4900003088","487:4870005870","490:4900001158","493:4930007096","487:4870004699","490:4900002632","490:4900007628","490:4900005658","466:4660000911","496:4960008811","490:4900007627","469:4690001926"],"twin_admin_codes":[496,470,490,490,496,487,490,469,490,490,487,496,490,490,487,490,493,487,490,490,490,466,496,490,469],"twin_sims":[0.43536934209373085,0.36948940875652697,0.3521130758356168,0.3268047455288381,0.3249751745059569,0.3239133053458537,0.31974910062445294,0.31887733401969826,0.31630211536035935,0.3072187607439848,0.3054974559715139,0.3031376944386536,0.2969473467479558,0.29484921628059513,0.2890298052141984,0.2882398821459592,0.28680690488271504,0.2868054796575863,0.28586204949275384,0.2852359022072686,0.28387465594496575,0.27511087709433146,0.2734994809015541,0.26842746102150267,0.2628369753323757],"twin_dists":[0.1674888041565717,0.18326879719205183,0.18764979617402278,0.19423878220406782,0.1947256905125844,0.19500898620183793,0.19612498091678757,0.19635964068937173,0.19705494876552815,0.1995334757155728,0.20000787659870506,0.2006607599564021,0.20238766359406604,0.202977759841859,0.20462758665250108,0.204853052427084,0.20526300906506217,0.20526341741408097,0.20553399235927483,0.20571386706928388,0.20610573665070162,0.20865629415781567,0.20913063706611754,0.21063500366452165,0.2123137102780393],"n_dims_used":45,"mean_confidence":0.9144471062554254},"coverage":{"mean_confidence":0.9144471062554254,"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}}