{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003970},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003969","490:4900004106","490:4900002099","490:4900003547","490:4900001522","490:4900004104","490:4900004108","490:4900008174","490:4900001797","490:4900004247","490:4900003976","490:4900004242","490:4900001796","490:4900003973","490:4900003142","490:4900004241","490:4900002422","490:4900004253","494:4940008953","490:4900002097","490:4900004258","490:4900011615","490:4900008844","490:4900003830","490:4900004383"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,494,490,490,490,490,490,490],"twin_sims":[0.6899516074533125,0.5094236309057784,0.4771078660234715,0.3314458785592997,0.31525511274628293,0.28206471496129326,0.2628039472112864,0.26234256846508835,0.2519918272465953,0.24899529774483492,0.2487116705366548,0.2326769812814778,0.22543469476867178,0.20441782580401532,0.19912672450838262,0.1940994684830528,0.18312332912650303,0.178658457070581,0.16804788925475497,0.15520744077319018,0.15373102640810438,0.15280832466143515,0.14965114778555935,0.1460999306650978,0.14605211837235946],"twin_dists":[0.11189330675810477,0.15084185963337815,0.15800048660251675,0.19301033305576157,0.1973385534410249,0.20662853371447973,0.21232369380826732,0.21246323863580727,0.21563534988221203,0.21656906771643564,0.21665781733585454,0.221785482293401,0.22417741786660686,0.2314237431644013,0.23332730410370217,0.2351685599973618,0.23930729724083316,0.2410408455066217,0.2452879231284296,0.2506942794299676,0.251336548308048,0.25174024001203044,0.2531352294220647,0.25473048602134535,0.2547521585170878],"n_dims_used":45,"mean_confidence":0.9248808966742621},"coverage":{"mean_confidence":0.9248808966742621,"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}}