{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001824},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900001681","490:4900001973","490:4900002138","490:4900001680","490:4900002741","490:4900002737","490:4900001976","490:4900001146","490:4900003445","490:4900003444","490:4900001832","490:4900002444","490:4900003987","490:4900004402","490:4900003575","490:4900004965","490:4900004553","490:4900003700","490:4900005891","490:4900003341","490:4900006752","490:4900002898","490:4900004563","490:4900002143","490:4900003994"],"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":[0.7060928516827509,0.621158314416392,0.5753308002883885,0.573426472815051,0.48487287392432443,0.44179229840095346,0.43132801381655594,0.4167662635667355,0.4117892618685185,0.3951146166908411,0.3702415063451883,0.3582382443014312,0.3430340288391044,0.3362164057134066,0.3346860309801611,0.3095455422532536,0.30252257768198487,0.28343440234222106,0.2711451704984439,0.2692160305491285,0.2689448881526205,0.2652115899516987,0.26123073802130053,0.25798442665391463,0.2503428380853194],"twin_dists":[0.10835121603999828,0.12674170275622926,0.13656104392578286,0.13696994185358868,0.15626751086341792,0.16600737831726411,0.16842537181624087,0.17183035032151767,0.1730056442328137,0.17698985091304378,0.1830815515792499,0.18609314863170245,0.18998339269863973,0.1917574055259988,0.19215828239283028,0.19889462975707609,0.2008314307473577,0.2062327171800664,0.209826768101347,0.21039996710376338,0.2104807341094148,0.21159797158380012,0.2128001467022399,0.2137890328913117,0.21614829123298307],"n_dims_used":45,"mean_confidence":0.9203392876519098},"coverage":{"mean_confidence":0.9203392876519098,"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}}