{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000276},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000275","490:4900000403","490:4900000227","490:4900000490","490:4900000929","490:4900000825","490:4900000682","490:4900000620","496:4960009064","490:4900000707","490:4900000404","490:4900000229","490:4900000434","490:4900000269","490:4900000731","490:4900001558","494:4940008680","490:4900001198","490:4900004321","490:4900002781","490:4900001880","496:4960008589","490:4900004298","490:4900000923","490:4900000279"],"twin_admin_codes":[490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,494,490,490,490,490,496,490,490,490],"twin_sims":[0.9006870299227486,0.626247616065864,0.6129779065442873,0.596100669626949,0.5896406116850638,0.5743953378377344,0.5536102403742819,0.5358443391437836,0.5278689649067736,0.5238042300465763,0.522735744855466,0.5177820488375425,0.5123930394001446,0.5028615530859801,0.502271694366726,0.4779428067941772,0.46624355203471796,0.45691831658386417,0.45643020466074763,0.45266336264896445,0.4485089477502427,0.44755179575862314,0.4472988728761061,0.44591113764982804,0.4330710118083539],"twin_dists":[0.05940176813718809,0.12565105731417175,0.1284939066382878,0.13210804725985886,0.13349202867749532,0.1367618901446515,0.1412344745420824,0.14507760063738087,0.14681070853358708,0.14769616218328538,0.1479291744943512,0.14901091221759544,0.15019054231645965,0.152284733026926,0.15241467829910388,0.15781371734640617,0.16044069245449719,0.1625508421443385,0.16266171450784742,0.16351879376522868,0.1644671196317672,0.16468607380736253,0.1647439609427972,0.1650617967555944,0.16802100544199572],"n_dims_used":45,"mean_confidence":0.9164091322157119},"coverage":{"mean_confidence":0.9164091322157119,"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}}