{"id":"M-1","type":"method","title":"Evidence tier definitions — the operational constitution","created":"2026-07-13","status":"under active development","authors":["Upstream Zero"],"edges":[],"founderDecision":"FD-1","body":"M-1 is the most important document this observatory will publish: the\noperational definitions of the six evidence tiers — what qualifies a claim\nas **Narrated**, **Observed**, **Replicated**, **Causally Supported**,\n**Cross Evaluator**, or **Real World Corroborated**. How many runs\nconstitute replication. Which evaluators count as independent. What counts\nas real-world corroboration.\n\nThe tier *names* and their order are settled (HOW_WE_WORK). The\noperational thresholds are not: they are a founder decision, under active\ndevelopment, and this page will hold the versioned definitions when they\nexist. Until then, every claim on this site is presented at Narrated —\nwhich requires no operational definition beyond honesty.","url":"/methods/M-1","machineUrl":"/objects/M-1","referencedBy":[{"from":"evidence-tier","rel":"depends-on"},{"from":"first-light","rel":"cites"}],"_meta":{"site":"Upstream Zero — Commercial Evaluation Observatory","version":"0.1","note":"Claims are presented at their evidence tier; Narrated is the lowest. Verify by walking edges, not by trusting us."}}