← 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
CHAIN HEAD & LEAF
CHAIN HEADf6032d139e42324d8a4d08a657de5ee0dbc8b2f31cc097a6ccd0e55a48b32eaa
LEAF HASHfcd0b2b34c8109191db202894aa9b0e504d64592be62fe049f89180db0779b12sha256("challenge_run_meridian_003_claude-haiku-4-5-20251001:f6032d13…")
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:f6032d139e42324d8a4d08a657de5ee0dbc8b2f31cc097a6ccd0e55a48b32eaa")
# assert leaf == "fcd0b2b34c810919..."
# Walk the proof path
node = leaf
# node must equal merkle_root
assert node == "65988226cec31caa..."