{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900000249},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900000165","490:4900000436","490:4900000155","490:4900000091","490:4900000620","490:4900000234","490:4900000418","490:4900000078","490:4900000434","490:4900000031","490:4900000355","490:4900000518","490:4900000095","490:4900000296","490:4900000523","490:4900000182","496:4960006370","490:4900000276","490:4900000236","490:4900000156","490:4900000490","490:4900000506","490:4900001091","490:4900000227","490:4900000098"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,496,490,490,490,490,490,490,490,490],"twin_sims":[0.8411251924777081,0.7528591823637925,0.6919098877427191,0.6403964374983014,0.5942508534496261,0.5830663857816588,0.553562924273389,0.5409191681451562,0.5281652293979608,0.5111391981816698,0.4994773354976664,0.49000988808133245,0.46819304230583375,0.43421425690017057,0.4179725892251865,0.40761486986122364,0.39271891807256537,0.38885853499295464,0.3837075067375132,0.3781773885954857,0.37807871861283343,0.37271215509221367,0.3708101669625307,0.3651034526444304,0.3551547296131631],"twin_dists":[0.07639772604569997,0.09785972854286051,0.11146523582024583,0.12261525398375402,0.1325042808601417,0.13490130325651775,0.1412446819312824,0.14397750271993126,0.14674622973053641,0.15046544505141066,0.153030845100548,0.15512578769878843,0.16000142406038506,0.16775613457979316,0.17154639432523405,0.1739961904651337,0.17756850498925467,0.1785044076012079,0.1797600578928187,0.18111712378139713,0.18114142372141498,0.18246777179702112,0.18294010069992178,0.1843645573746101,0.1868750568377048],"n_dims_used":45,"mean_confidence":0.916915045844184},"coverage":{"mean_confidence":0.916915045844184,"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}}