{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":480,"cluster_id":4800001066},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["495:4950001168","495:4950001169","480:4800001107","480:4800001167","480:4800001067","480:4800001068","480:4800000521","480:4800001104","497:4970001073","480:4800001055","480:4800001125","495:4950001225","480:4800001109","495:4950001501","480:4800001232","495:4950001431","480:4800000269","497:4970000613","480:4800001233","497:4970001071","480:4800000298","480:4800000909","480:4800002503","495:4950001162","480:4800002235"],"twin_admin_codes":[495,495,480,480,480,480,480,480,497,480,480,495,480,495,480,495,480,497,480,497,480,480,480,495,480],"twin_sims":[0.02761209439513135,0.017866861162540937,0.016251721699234847,0.011745063132387422,0.0061812166350331795,0.005256731328700086,0.0047795219475469915,0.00271035136303116,0.0022222912229539968,0.0019523642553976545,0.0016795296512702978,0.0013813489403383835,0.0012244558449192604,0.0012021960101639886,0.0007362315455656917,0.0005917993852660229,0.0005379806398766496,0.0005379502235499504,0.0004920868754545427,0.00043091125592170345,0.0003348929195382865,0.00033303744887503155,0.00032903738597318366,0.00032569478126750475,0.0003221102745140065],"twin_dists":[0.3479813009841169,0.36847786721878434,0.37278984362306167,0.3872055881083703,0.41422592392863933,0.420771125957802,0.42456900537191183,0.4465370073776917,0.4539746507066977,0.4587608929621928,0.4642623824110098,0.4713100145712255,0.4756052220877979,0.47625544302125306,0.4933167778224999,0.5007278092505277,0.5039293446534417,0.5039312371261382,0.5069051412329575,0.5113034492291281,0.519553133854993,0.5197334756430844,0.5201254866564985,0.5204565083768445,0.5208150447177645],"n_dims_used":43,"mean_confidence":0.9024386738621911},"coverage":{"mean_confidence":0.9024386738621911,"n_dims_used":43,"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}}