{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000810},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000411","490:4900000589","490:4900000588","490:4900000109","496:4960007911","490:4900000388","490:4900000808","490:4900000577","496:4960008764","490:4900001158","490:4900000894","490:4900000174","496:4960008474","487:4870003531","490:4900000496","490:4900000489","490:4900001180","496:4960008477","490:4900000569","490:4900001011","490:4900000930","490:4900001427","490:4900000332","490:4900000897","487:4870003121"],"twin_admin_codes":[490,490,490,490,496,490,490,490,496,490,490,490,496,487,490,490,490,496,490,490,490,490,490,490,487],"twin_sims":[0.7300890686490568,0.6485159874460555,0.5922425011224144,0.5912747745288744,0.5386420818090565,0.5365219094896021,0.5184072964816788,0.5178024332175076,0.4920635878835565,0.46481980542192186,0.4635481913447646,0.45379370482421616,0.4486633293048887,0.4400847339020779,0.43941522253982257,0.43727730050083097,0.43555253118460713,0.4339541354284682,0.4294737097981432,0.4229276839846487,0.40911439713943276,0.4090716157911732,0.4084725600450638,0.4018393117005578,0.4008192153834233],"twin_dists":[0.10301736358466913,0.12086963295017639,0.13293452827726177,0.1331418665646837,0.14447087238195977,0.14493060355621556,0.14887424265094748,0.14900645588003403,0.1546703538639698,0.1607618975693384,0.1610490696935985,0.16326133068087426,0.1644318204386087,0.1664003906203434,0.1665546474162392,0.1670478482648453,0.16744643329855202,0.16781637577113348,0.16885628862967564,0.17038365351999232,0.17363985452864641,0.1736500127573912,0.17379230494527947,0.1753741318184319,0.1756184300707462],"n_dims_used":45,"mean_confidence":0.9160973442925348},"coverage":{"mean_confidence":0.9160973442925348,"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}}