{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003125},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004365","490:4900004493","490:4900003794","490:4900003256","490:4900003120","490:4900003654","490:4900003254","490:4900002993","490:4900003518","490:4900004356","490:4900003131","490:4900003657","490:4900003259","490:4900003127","490:4900003388","490:4900003252","490:4900004354","490:4900003651","490:4900002995","490:4900003527","490:4900002989","490:4900002696","490:4900003396","490:4900002996","490:4900001376"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.6096199789644993,0.5248250259058295,0.5047288897811114,0.49109856874979696,0.4616654006562876,0.4542523601465995,0.4265633899652909,0.4115135807406605,0.3892812629624276,0.37083334432807097,0.3264294225932539,0.32154811321819654,0.3055895008894145,0.268590038022542,0.26720844816084266,0.2573491096966819,0.2540084739694124,0.2419038178886265,0.23999951923622742,0.22601069118270534,0.22322858169027923,0.22144745284197356,0.2159879853628635,0.20570880729918667,0.20231177329800623],"twin_dists":[0.12921297543641103,0.1474736505042996,0.15187363347274685,0.15488428858357903,0.1614747724829289,0.1631569279560002,0.16953414769486946,0.17307092465063542,0.17840171075920658,0.18293433775480367,0.19433854451180055,0.19564185982405793,0.19998246950567597,0.21058651191860933,0.21099917958199518,0.21398347802198753,0.21501094208086347,0.21880787696846962,0.21941627634434863,0.2239853358439396,0.22491614083668782,0.2255161144314978,0.2273755120181987,0.23096443470869593,0.2321773252272987],"n_dims_used":45,"mean_confidence":0.9145380655924479},"coverage":{"mean_confidence":0.9145380655924479,"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}}