{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":496,"cluster_id":4960009068},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000401","496:4960008860","496:4960008959","496:4960008156","496:4960008265","496:4960008147","496:4960008475","496:4960008383","496:4960008474","496:4960008764","490:4900000411","490:4900000577","496:4960008034","490:4900000174","496:4960008588","494:4940008731","496:4960008673","494:4940008238","494:4940008536","490:4900000048","494:4940008435","496:4960007912","496:4960008384","490:4900000907","490:4900001593"],"twin_admin_codes":[490,496,496,496,496,496,496,496,496,496,490,490,496,490,496,494,496,494,494,490,494,496,496,490,490],"twin_sims":[0.5593851474000109,0.5407085306447983,0.5120980724942619,0.504346764924822,0.47941863450995076,0.4698089788249638,0.45997059145588165,0.45398670173777494,0.4305287204899176,0.4284196995262397,0.4280506522491444,0.42631519586523053,0.42490119638328766,0.41882004457753574,0.400775110733941,0.40036711297842953,0.3919102110048877,0.3912488299023809,0.3884348934484161,0.38585213842347393,0.3832289552813586,0.3793941055242134,0.37495487526175875,0.3707465390291253,0.37006888783723113],"twin_dists":[0.13998964280960488,0.14402312449169574,0.15025519800517248,0.15195772585731285,0.1574838440609178,0.1596377866256885,0.16185849666237462,0.16321739449395564,0.168611024876599,0.16910156565468146,0.16918750448054296,0.16959204396770464,0.16992215452500076,0.17134712174803027,0.17562899883645636,0.17572679205904787,0.17776420887827882,0.17792440044365843,0.17860737911294225,0.17923630167015628,0.179877118943162,0.1808177294477626,0.18191235224284588,0.18295592241089473,0.1831245107286186],"n_dims_used":45,"mean_confidence":0.9166291130913629},"coverage":{"mean_confidence":0.9166291130913629,"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}}