← 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
model_cost_3607ffb6
CHAIN HEAD & LEAF
CHAIN HEAD695f01ecccfb3d5f6dac6ae25a90ed8257951b1a11588c09ee4238d565fd2021
LEAF HASH9f8fb80856a48bd6f3b1f2f4bc46f648169529ee7e1708860de88bebc7390908sha256("model_cost_3607ffb6:695f01ec…")
MERKLE ROOT095b999c7b71fc4f222a0f498f7e85741a2ce8bc47ff25867b778865f7454297
Single-run day — no sibling nodes needed; leaf is the root.
INDEPENDENT VERIFICATION
# Recompute leaf
leaf = sha256("model_cost_3607ffb6:695f01ecccfb3d5f6dac6ae25a90ed8257951b1a11588c09ee4238d565fd2021")
# assert leaf == "9f8fb80856a48bd6..."
# Walk the proof path
node = leaf
# node must equal merkle_root
assert node == "095b999c7b71fc4f..."