{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900003906},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900007761","490:4900007016","487:4870002753","480:4800004289","494:4940008681","470:4700006233","490:4900005383","490:4900005670","490:4900000398","490:4900001897","470:4700006136","490:4900005546","493:4930004995","478:4780007540","490:4900005678","494:4940008749","470:4700004772","490:4900000251","485:4850004200","487:4870002758","485:4850004284","490:4900000949","490:4900006539","469:4690001071","480:4800004055"],"twin_admin_codes":[490,490,487,480,494,470,490,490,490,490,470,490,493,478,490,494,470,490,485,487,485,490,490,469,480],"twin_sims":[0.19080409426221487,0.17514925371467555,0.15110373001537347,0.14492194793014707,0.13038061035700765,0.11735114627247996,0.11398526233830773,0.110838444864572,0.10992879393085299,0.1083713155136383,0.10348036487559688,0.10122697246757542,0.096886248535201,0.09149345518291448,0.08928774267104239,0.08565457710021535,0.08299132172678512,0.08158773859375058,0.07546280035663683,0.07364700102624545,0.07310500549332134,0.06658845798446492,0.06401412440999805,0.06306621845544391,0.06246191257109925],"twin_dists":[0.2363935490365028,0.24242504068631765,0.25249074900081714,0.2552659819491251,0.2621597730504684,0.26884863285506705,0.2706682851591093,0.27240730769617355,0.2729171024323884,0.27379758830544404,0.27662798704266134,0.27796720893522736,0.2806141208290055,0.2840357019145002,0.28548120247042313,0.28792518397944167,0.2897696994259513,0.2907608888683057,0.2952533274106964,0.2966415089394895,0.2970612217943657,0.302316118303483,0.30450798517321076,0.30533323574810745,0.3058646643754918],"n_dims_used":45,"mean_confidence":0.9174833509657118},"coverage":{"mean_confidence":0.9174833509657118,"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}}