{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007189},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900004898","490:4900005316","490:4900006091","490:4900006580","490:4900004899","490:4900007065","490:4900006585","490:4900006816","490:4900004624","490:4900006099","490:4900006096","490:4900007071","490:4900002836","490:4900005320","490:4900007556","490:4900004766","490:4900007069","490:4900004623","490:4900007067","490:4900005582","490:4900006098","490:4900006567","490:4900006821","490:4900006823","490:4900006698"],"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":[0.051185101745068115,0.0398174261261291,0.0375749452645162,0.027901755942615885,0.02616741721560438,0.02253267703016268,0.016277657240185005,0.012705123124105051,0.008737169071490327,0.00852167172730764,0.007896368374865686,0.007306671515597828,0.0054582348224313255,0.004906746550694225,0.004418873630983516,0.004240722899556863,0.004069463257155638,0.0039049611643078553,0.0037951790223319654,0.003693493354817454,0.003218603237923784,0.0031974088676286713,0.003116456223615983,0.00279088487028546,0.0026768078980316788],"twin_dists":[0.31665449647145927,0.32976104810873796,0.3327128762695613,0.34747509040334573,0.35057645907114393,0.35769936467952257,0.3727176871528865,0.3837675714663595,0.39988559413015856,0.4009376139057143,0.40413102143530555,0.4073575950233381,0.4192605066706016,0.42352403551823553,0.4276745549703664,0.4292944757951611,0.4309111079045153,0.43252328236706666,0.43363392274352075,0.4346890576606886,0.43999696776580693,0.4402501656002879,0.4412315833271129,0.4454296025014581,0.44700716705144994],"n_dims_used":45,"mean_confidence":0.9158255683051215},"coverage":{"mean_confidence":0.9158255683051215,"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}}