BLACKBOX — AI Flight Recorder

Merkle Inclusion Proof

✓ VERIFIED

Proves 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_413811

ANCHOR DATE

2026-06-14

LEAF INDEX

1 / 2

PROOF STEPS

CHAIN HEAD & LEAF

CHAIN HEADbc262793f0bb369a73e7bc988bc96664c05224addfec2da505a9c8923e3dee65

LEAF HASH14e2163b4ac6696bcfac8097adc3518b672c84977fb9b0be3f2b2f4c0eb8def1sha256("challenge_run_meridian_003_claude-haiku-4-5-20251001_413811:bc262793…")

MERKLE ROOT65988226cec31caaaacbbfbceba476105ee2be03b4caab4f34eaa081fc5e56ee

PROOF PATH — SIBLING HASHES

At each level, combine current node with sibling to compute parent. Repeat until root.

L1LEFT6cfe7ffb0bf80daf4a3aadbd76a14fb416b3d74b2de131b58339d8e280ddcde0

INDEPENDENT VERIFICATION

# Recompute leaf
leaf = sha256("challenge_run_meridian_003_claude-haiku-4-5-20251001_413811:bc262793f0bb369a73e7bc988bc96664c05224addfec2da505a9c8923e3dee65")
# assert leaf == "14e2163b4ac6696b..."

# Walk the proof path
node = leaf
node = sha256(siblings[0] + node)  # sibling is LEFT

# node must equal merkle_root
assert node == "65988226cec31caa..."

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