{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900001720},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900002476","490:4900004305","490:4900001700","490:4900003757","490:4900003477","490:4900004014","490:4900002171","490:4900002022","490:4900002458","490:4900002786","490:4900002016","490:4900001719","490:4900002907","490:4900002628","490:4900004150","490:4900002332","490:4900001598","490:4900001994","490:4900003737","490:4900004019","490:4900002302","490:4900001696","490:4900003357","496:4960008014","490:4900002318"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490],"twin_sims":[0.8419487607349982,0.7886049604272527,0.7555526509984187,0.7343056408152614,0.6585677696014359,0.6528214861774615,0.6461431554828692,0.6059221643892716,0.5958610757115183,0.5903112692872958,0.5672694861941109,0.5328580814949001,0.5225570008131407,0.49790355213059173,0.4829406388840475,0.48275535072375597,0.47230355722212713,0.465353938908377,0.4611987256790823,0.45957083862905984,0.4492255752556944,0.44329939319301,0.44195129814985434,0.42985024968696633,0.4296840493937189],"twin_dists":[0.07618135002089606,0.08950788495957421,0.09724222633316296,0.10207009931177824,0.11870383883782958,0.1199426662488836,0.1213800867345114,0.13000478251995104,0.1321593661839548,0.13334831675765865,0.13829295006516912,0.14572590606382907,0.14796816512559224,0.15337829343925224,0.15669791869501817,0.15673922006676466,0.159077254493519,0.16064135423666737,0.16158038315220113,0.1619490784628578,0.16430330202244872,0.16566099549458524,0.16597081308872869,0.16876872431223663,0.16880737031482052],"n_dims_used":45,"mean_confidence":0.9179436577690973},"coverage":{"mean_confidence":0.9179436577690973,"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}}