{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001700},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004305","490:4900003477","490:4900001720","490:4900003757","490:4900002476","490:4900002458","490:4900002786","490:4900001994","490:4900004014","496:4960007777","496:4960008014","490:4900003068","490:4900002907","490:4900003475","490:4900002469","496:4960007776","490:4900002318","490:4900003458","490:4900001696","490:4900002302","490:4900002763","490:4900001296","490:4900001573","490:4900003342","490:4900004019"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,496,496,490,490,490,490,496,490,490,490,490,490,490,490,490,490],"twin_sims":[0.8467616460328398,0.7578604704073797,0.7555526509984187,0.6700648867140819,0.6310279919161668,0.6255994778929523,0.6145475554192477,0.5939415570660237,0.5934893997894242,0.589197877198884,0.5535026540640501,0.5431459884619256,0.5390962368072145,0.531800313812307,0.5214415943511568,0.5091055235732174,0.5073388210471111,0.5052123576450727,0.502447910703896,0.4929656638350484,0.47449057436206943,0.47400782055829876,0.473822296952666,0.46101712091341857,0.4560715263585329],"twin_dists":[0.07490865762849343,0.0967117651310696,0.09724222633316296,0.11621854260347411,0.12462606602277877,0.12578998470187502,0.12815775452600184,0.13257053717691353,0.1326673991300001,0.13358690484116836,0.14125768407454306,0.1434953982345571,0.1443724404145287,0.1459557212710569,0.14821154562958236,0.15091169180096353,0.15129973231364105,0.15176726352322026,0.15237585365269085,0.15447048488146642,0.15858664355775523,0.15869487465222604,0.15873647783352693,0.16162149135390871,0.1627432140160296],"n_dims_used":45,"mean_confidence":0.9174023946126302},"coverage":{"mean_confidence":0.9174023946126302,"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}}