← 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_002_claude-haiku-4-5-20251001
CHAIN HEAD & LEAF
CHAIN HEADc1f301b78648f008324a7e531ba970fe8eb32ec6ad47a7abe4c98950bcf721cc
LEAF HASH4b60adc1603be27fb79834bdbcb8c956b103d7d79f736d46dff103009a0327a6sha256("challenge_run_meridian_002_claude-haiku-4-5-20251001:c1f301b7…")
MERKLE ROOT65988226cec31caaaacbbfbceba476105ee2be03b4caab4f34eaa081fc5e56ee
Single-run day — no sibling nodes needed; leaf is the root.
INDEPENDENT VERIFICATION
# Recompute leaf
leaf = sha256("challenge_run_meridian_002_claude-haiku-4-5-20251001:c1f301b78648f008324a7e531ba970fe8eb32ec6ad47a7abe4c98950bcf721cc")
# assert leaf == "4b60adc1603be27f..."
# Walk the proof path
node = leaf
# node must equal merkle_root
assert node == "65988226cec31caa..."