{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900011497},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900011625","490:4900011431","490:4900011224","490:4900011561","490:4900011225","490:4900011366","490:4900011626","490:4900011150","490:4900011757","490:4900011822","490:4900011891","490:4900012093","490:4900008774","490:4900011821","490:4900011498","490:4900011294","490:4900010829","490:4900010993","490:4900010747","490:4900009015","490:4900011564","490:4900008884","490:4900012160","490:4900010125","490:4900011691"],"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":[0.6966897124782238,0.6401542026905764,0.49420573115433114,0.49380460731914033,0.48920472611106625,0.4104868304283655,0.36233520721951135,0.33001742034942555,0.30490983948656775,0.3044455022288184,0.2823910862631674,0.26942525679237594,0.2662494968939853,0.26284370916693794,0.2551831609422069,0.2477902028587231,0.24748395201581855,0.2336285553950138,0.2235555435238965,0.203200368320143,0.19932021460540447,0.19853288834177257,0.1981684777191189,0.19371626125902744,0.18546607469998783],"twin_dists":[0.11041854412204116,0.12266728722060757,0.1541959033824668,0.15428470008234654,0.1553044977851391,0.17331422428411028,0.18505957006836066,0.1933874148450448,0.20017018044123483,0.20029856182530514,0.20653411269083466,0.21033767788966157,0.2112863887251663,0.2123116749137408,0.2146486783915757,0.2169466017146586,0.21704273201743288,0.22147486799177832,0.22480635091396545,0.23185871722587395,0.23325708330536618,0.23354311174109527,0.23367576403300627,0.23531026200829838,0.23840960969456482],"n_dims_used":45,"mean_confidence":0.8865269978841146},"coverage":{"mean_confidence":0.8865269978841146,"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}}