{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900006922},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900005433","490:4900007668","490:4900005420","490:4900004207","490:4900003236","490:4900006928","490:4900007424","490:4900003369","490:4900005690","490:4900006433","490:4900007413","490:4900003501","490:4900005303","490:4900003238","490:4900007667","490:4900005957","490:4900003782","490:4900005299","490:4900004067","490:4900005425","490:4900007542","490:4900005424","490:4900005300","490:4900006925","490:4900005302"],"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":[0.36821930006974096,0.30825936120369607,0.28266336120737723,0.25891898486560505,0.21933644788933923,0.21655586677638006,0.17239002328573325,0.16493297004999308,0.16225482230651286,0.15961975636405337,0.1373205797011803,0.13668292620546776,0.13399157579336277,0.13104988962680425,0.12930001042042563,0.1290031600919967,0.12821760531123969,0.12640592322791658,0.12241471371485077,0.11821454791346708,0.11809265759081744,0.11366998555580038,0.10131335107058688,0.08829978133697534,0.08521158231231213],"twin_dists":[0.1835854406708442,0.19924742361422865,0.20645539251023623,0.21350355021352507,0.22623139884525026,0.22718064070871266,0.2435273593355371,0.24657116101165702,0.24768853774323807,0.24880106852223788,0.25880157152569155,0.2591047412913689,0.2603961348387042,0.2618301353853193,0.262694702714971,0.262842243611599,0.2632339231249797,0.2641442059621397,0.2661850858633966,0.2683883290447745,0.26845315574493506,0.2708408357730402,0.2779154459560948,0.28613785098069633,0.28822879158899084],"n_dims_used":45,"mean_confidence":0.8978032430013021},"coverage":{"mean_confidence":0.8978032430013021,"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}}