{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000905},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["494:4940008530","490:4900000197","490:4900001171","490:4900000705","480:4800004107","494:4940008835","493:4930000384","496:4960009377","494:4940008745","490:4900003903","480:4800004520","480:4800004187","480:4800005143","490:4900004180","490:4900000387","490:4900001399","490:4900000769","490:4900005779","490:4900000670","494:4940006600","480:4800004030","490:4900000662","490:4900000553","490:4900000781","480:4800004613"],"twin_admin_codes":[494,490,490,490,480,494,493,496,494,490,480,480,480,490,490,490,490,490,490,494,480,490,490,490,480],"twin_sims":[0.3987233098438578,0.3298726259142339,0.3046852367757928,0.3039370616382072,0.3035361093204262,0.2519366242080973,0.23868754271328343,0.23718681781041662,0.23268309659205424,0.22970541238838868,0.20071316391589053,0.19222884935245027,0.18422151392680025,0.17999814445457868,0.17742769758472496,0.17241764793474196,0.1688631913109908,0.16593405124238214,0.16041569013722923,0.15596912643524605,0.14569682405067474,0.1435517760016812,0.14177601636138096,0.1396422079225141,0.1393345070363017],"twin_dists":[0.1761212557454906,0.19342568734295745,0.20023226513236608,0.20043926726877423,0.20055032282065993,0.2156524868736184,0.21983726256016042,0.22032066560046487,0.22178348346309618,0.2227608786248076,0.23275294086102122,0.23586213063831735,0.23888549640945672,0.24051750370516867,0.24152409538168337,0.24351626095338424,0.2449548799462003,0.24615685849649074,0.24846362600367422,0.25036467835818865,0.25491337209322373,0.25589291884123316,0.25671208227301645,0.25770657704268074,0.25785091865273085],"n_dims_used":45,"mean_confidence":0.9149720933702257},"coverage":{"mean_confidence":0.9149720933702257,"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}}