{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011955},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900009637","490:4900011956","490:4900011958","490:4900012023","490:4900011967","490:4900010576","490:4900009330","490:4900010398","490:4900009734","490:4900010914","490:4900011072","490:4900011074","490:4900011954","490:4900010821","490:4900009938","490:4900010913","490:4900008672","490:4900009006","490:4900009640","490:4900010136","490:4900010490","490:4900008338","490:4900010986","490:4900010485","490:4900009011"],"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":[0.26867529462395295,0.23161615340030609,0.17032250068764865,0.1601368759561233,0.15989330889230166,0.14950060741500487,0.1358802229069834,0.13016421876566864,0.12829830821867974,0.12472460970970237,0.11913365225761284,0.11651674548043589,0.11332048654910494,0.11006372008982458,0.10432895937482357,0.10226073768831477,0.10162570587375645,0.09997221650397034,0.09963056738768863,0.09850268508909811,0.07816382827439976,0.07624257890702765,0.07378742469274356,0.07351949239888564,0.07215295750535583],"twin_dists":[0.21056108975242507,0.22213274498361815,0.24436164007229255,0.24858169269872904,0.24868495601149532,0.25320228409384754,0.2594878927688276,0.2622666246828646,0.26319360094737687,0.264997877998673,0.2679011490413093,0.26929594909048415,0.2710325474320415,0.2728412803727755,0.2761295496599036,0.27734996896138076,0.27772855256277684,0.27872305391275337,0.27893014319306536,0.27961777878288674,0.2932373976808546,0.29466544617929474,0.29653317448179173,0.2967400244005865,0.2978046067543794],"n_dims_used":45,"mean_confidence":0.8859736972384983},"coverage":{"mean_confidence":0.8859736972384983,"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}}