← 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_challenge_challenge_run_meridian_003_claude-haiku-4-5-20251001_2_claude-opus-4-6_claude-haiku-4-5-20251001
CHAIN HEAD & LEAF
CHAIN HEAD9acfd22f6dbac63e02e8ce9fecfe4840fa4c5fffd8398dbe9d7164fe1c753a65
LEAF HASHf951cb5d121ece04cc29b179eb05ff0c1fc1cf98b0e18b51901a8ec005e2699csha256("challenge_challenge_challenge_run_meridian_003_claude-haiku-4-5-20251001_2_claude-opus-4-6_claude-haiku-4-5-20251001:9acfd22f…")
MERKLE ROOT65988226cec31caaaacbbfbceba476105ee2be03b4caab4f34eaa081fc5e56ee
Single-run day — no sibling nodes needed; leaf is the root.
INDEPENDENT VERIFICATION
# Recompute leaf
leaf = sha256("challenge_challenge_challenge_run_meridian_003_claude-haiku-4-5-20251001_2_claude-opus-4-6_claude-haiku-4-5-20251001:9acfd22f6dbac63e02e8ce9fecfe4840fa4c5fffd8398dbe9d7164fe1c753a65")
# assert leaf == "f951cb5d121ece04..."
# Walk the proof path
node = leaf
# node must equal merkle_root
assert node == "65988226cec31caa..."