{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003731},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002629","490:4900004447","490:4900001074","490:4900002636","490:4900000480","490:4900001294","490:4900002316","490:4900000802","490:4900002912","490:4900001879","490:4900003698","496:4960007781","490:4900002019","490:4900000914","490:4900001028","494:4940008132","494:4940006831","490:4900001295","490:4900001023","496:4960011460","490:4900003219","490:4900003326","490:4900001293","490:4900003221","493:4930007082"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,494,494,490,490,496,490,490,490,490,493],"twin_sims":[0.541966854092891,0.5119142601856121,0.5004389240540125,0.48432815636709275,0.4372683190219956,0.42163420694802983,0.4156800428324034,0.40890857269305053,0.3822632154182663,0.3757209606638015,0.3705001145797781,0.3589304179085083,0.35077008236813007,0.3469129366637456,0.3403445190128352,0.336578115293995,0.31906701375135593,0.31709175833321185,0.31570860268182754,0.30617994870027837,0.30242377528827585,0.30206734639618954,0.2993622419610646,0.2883786624721956,0.28824790341509965],"twin_dists":[0.14375063439934105,0.15029549376589402,0.1528187036035171,0.1563887933369795,0.16704992222060533,0.17068661777983513,0.1720863365133731,0.17368873086248163,0.18011356716616883,0.1817230017304875,0.18301721098877113,0.18591810534007652,0.18799297772770815,0.18898245756478368,0.19068094941149633,0.19166280135286093,0.1963085525477735,0.19684140698373387,0.1972156499124275,0.1998195937218658,0.20085886334621528,0.20095786961408318,0.20171150495902276,0.20481341398522368,0.2048507610811793],"n_dims_used":45,"mean_confidence":0.9176896837022569},"coverage":{"mean_confidence":0.9176896837022569,"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}}