← run detailMerkle Inclusion Proof
✗ NOT VERIFIEDProves this run's chain head is committed into the day's Merkle root. Leaf = sha256(run_id + ":" + chain_head). Siblings enable independent root reconstruction.
RUN ID
challenge_run_meridian_003_claude-haiku-4-5-20251001_2
CHAIN HEAD & LEAF
CHAIN HEAD429aa4eb0c4e9575e1abdde14cad90384ca501e0569b4b9127b87f509c3b81cf
LEAF HASH1c6481cefea100baaccc92f7826364540a242cd8496daa226b27860d1afad97csha256("challenge_run_meridian_003_claude-haiku-4-5-20251001_2:429aa4eb…")
MERKLE ROOT65988226cec31caaaacbbfbceba476105ee2be03b4caab4f34eaa081fc5e56ee
Single-run day — no sibling nodes needed; leaf is the root.
INDEPENDENT VERIFICATION
# Recompute leaf
leaf = sha256("challenge_run_meridian_003_claude-haiku-4-5-20251001_2:429aa4eb0c4e9575e1abdde14cad90384ca501e0569b4b9127b87f509c3b81cf")
# assert leaf == "1c6481cefea100ba..."
# Walk the proof path
node = leaf
# node must equal merkle_root
assert node == "65988226cec31caa..."