{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003671},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900003812","490:4900004092","490:4900004232","490:4900004091","490:4900004234","490:4900003811","490:4900004367","490:4900004227","490:4900004231","490:4900001251","490:4900006088","490:4900003513","490:4900002848","490:4900006220","490:4900003133","490:4900007452","490:4900006567","490:4900006574","490:4900006217","490:4900005454","490:4900007066","490:4900006577","490:4900005185","490:4900004485","490:4900001380"],"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":[0.0877478801018835,0.038185163729672164,0.03678272296561924,0.03491485812156926,0.03230634220922015,0.008718259495659778,0.00822705162246594,0.007244185340672568,0.006374233208669627,0.006174012744258094,0.00557735786149349,0.0051516307089189755,0.004808783551781829,0.003209481724994606,0.0027725204791748934,0.002014516972830626,0.001593500745489856,0.0014465978093993032,0.0010410798475447359,0.0010360899374723563,0.0010120666755972473,0.0009733430169974831,0.000941667766245071,0.0009260488374214257,0.0009081514036968271],"twin_dists":[0.2865072150861427,0.3318951720592576,0.3337914316663596,0.33641467470568837,0.3402856168471127,0.39997697257277914,0.4024151118426141,0.40771307116825567,0.4129719317599064,0.4142734062428901,0.4183910233238972,0.4215799465485776,0.4243264498910219,0.4401057504779675,0.4456795300883923,0.45760721610159144,0.4661687990921087,0.4696553388436099,0.48132461984946606,0.4814929590383836,0.4823140784535983,0.48367651445310716,0.48482889013111086,0.4854104296102112,0.48608810752602905],"n_dims_used":45,"mean_confidence":0.9111946105957032},"coverage":{"mean_confidence":0.9111946105957032,"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}}