{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001217},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001757","490:4900001486","490:4900001758","496:4960011735","469:4690003947","469:4690002343","480:4800003878","490:4900004875","490:4900001457","496:4960004820","490:4900001887","490:4900001208","490:4900001760","490:4900001746","490:4900000186","466:4660000208","490:4900001191","490:4900000162","469:4690002129","490:4900001328","490:4900000622","490:4900004464","490:4900000144","490:4900000246","490:4900001759"],"twin_admin_codes":[490,490,490,496,469,469,480,490,490,496,490,490,490,490,490,466,490,490,469,490,490,490,490,490,490],"twin_sims":[0.7866814968082798,0.7092650165387459,0.6532079144338054,0.4413895535374921,0.43167016416010995,0.4167532852808648,0.41424495679836065,0.4077754608228203,0.40686318105914526,0.39930182817035426,0.38948168100186337,0.3857045683931147,0.37953624352301724,0.37918246386917637,0.37415944475809026,0.36964820453957536,0.3617535763383573,0.35933203886786,0.3579593374711718,0.356052612396474,0.3541967195152972,0.34243020992135825,0.33927779826467835,0.336952976565301,0.3303521771887888],"twin_dists":[0.08996690208581783,0.10765114938946908,0.1198594188518541,0.16610002055492423,0.16834594270267067,0.17183340718114057,0.1724249807699452,0.1739580012126044,0.17417503415736102,0.1759823443598671,0.17835303984998538,0.17927229635944628,0.1807827842963812,0.18086977407660573,0.18210915670623198,0.18322924690035186,0.18520593942190006,0.18581661895102727,0.18616373019505156,0.18664701472410714,0.18711869887532825,0.19013974540507625,0.19095843342409363,0.19156481539212186,0.19329896619024964],"n_dims_used":45,"mean_confidence":0.9152920193142361},"coverage":{"mean_confidence":0.9152920193142361,"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}}