{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000002},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["487:4870004725","493:4930004045","469:4690000100","487:4870002649","472:4720003218","478:4780006184","487:4870002554","494:4940000323","466:4660014134","470:4700007462","490:4900005808","496:4960008593","481:4810000090","474:4740001649","494:4940000086","496:4960010523","494:4940000233","496:4960003557","466:4660000173","488:4880003422","487:4870003857","496:4960005458","466:4660003217","466:4660011370","474:4740004395"],"twin_admin_codes":[487,493,469,487,472,478,487,494,466,470,490,496,481,474,494,496,494,496,466,488,487,496,466,466,474],"twin_sims":[0.009320594414026728,0.005895072663845396,0.0030357517410910797,0.0025755299191794843,0.0019777204732942524,0.0018505773574104155,0.0015577788003663365,0.0013985550346477399,0.0013914263629754794,0.0012396397772085979,0.0012025561013029697,0.001037308019911699,0.0009661783318428509,0.0009161349665121579,0.0008989638506750426,0.0008588210946160365,0.00078262405356264,0.0007717895509397211,0.0006918812402687991,0.0006598150212382335,0.0006438179867938652,0.0006387757954284523,0.0006019081337904385,0.0005057214220606517,0.000504718080261626],"twin_dists":[0.39714967879237095,0.4161515170661291,0.44223344988716573,0.44846019554525374,0.45828620892354227,0.4607253313720694,0.4669884324570969,0.47086678030274254,0.4710498023845492,0.47516793871084567,0.47624483621355995,0.4814517966679145,0.4839340941240192,0.4857842955151806,0.48644082169254543,0.48802228545383713,0.49122295023674784,0.49170140073684176,0.4954365710272272,0.49704956730868943,0.49788175351415553,0.4981480514381049,0.5001569442005339,0.5059948890657854,0.5060610866105237],"n_dims_used":45,"mean_confidence":0.9135871887207031},"coverage":{"mean_confidence":0.9135871887207031,"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}}