{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007954},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008187","490:4900009077","490:4900009600","490:4900008956","490:4900008856","490:4900009386","490:4900007858","490:4900011050","490:4900009387","490:4900007859","490:4900010887","490:4900009393","490:4900008973","490:4900009178","490:4900011134","490:4900008414","490:4900009071","490:4900008067","490:4900008070","490:4900007957","490:4900010889","490:4900010971","490:4900008746","490:4900008188","490:4900007962"],"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":[0.5142682266136155,0.48049089402797973,0.4452324674420385,0.4407321223914,0.41308015640879236,0.4058869146515871,0.40502756442963156,0.39024874457423936,0.38349168024710945,0.3731743183096171,0.3482311254418615,0.34232188947699643,0.3410185753504826,0.3297103087398904,0.3207262278380451,0.3195503698324288,0.3159265388092758,0.3149292899593003,0.3131613950857396,0.3129448826277115,0.30651063055466343,0.3037812666629787,0.3034816456136244,0.300477749041194,0.29646796102156164],"twin_dists":[0.14977972625906064,0.15724437920693793,0.16521737099128483,0.16625131818062344,0.17270021763401588,0.17440752912119625,0.1746123870487409,0.17816686932896017,0.1798128437228559,0.18235318076973717,0.1886436532121208,0.19016780941950273,0.19050584883985078,0.19346860247325864,0.19586238700519681,0.19617844306648635,0.19715662106890064,0.19742691886506014,0.19790729178427466,0.19796622852023346,0.19972845396313477,0.20048240916873197,0.20056541471601208,0.20140024759242817,0.20252227308970647],"n_dims_used":45,"mean_confidence":0.9264022827148437},"coverage":{"mean_confidence":0.9264022827148437,"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}}