QED Receipt — Quantum-Verified Resolution

Sealed evidence of a prediction-market outcome resolved by physical quantum hardware.

QED-2026-05-17-0001
Issued 2026-05-17T14:32:08Z
EpochCore Quantum Settlement

Market

Questionibm_fez T2 > 130µs in next IBM Heron calibration cycle

Market ID0x60deba6cbb178cb5ff8a1169fc6dd4d0c60c6b644c66605192c87e919050685d

Contract0x5586b67C77E22eFB1574db0234bacbd249395Aea (Base mainnet)

Resolved at2026-05-17T14:31:55Z (block 45,891,204)

OutcomeYES (T2 measured = 142.3µs > 130µs threshold)

Hardware run

Backendibm_fez (Heron r2, 156 qubits)

IBM Quantum job IDcu7s1q3jm8r5g00b8a40

Calibration timestamp2026-05-17T14:00:00Z (scheduled cycle)

Qubit subset (avg T2)[Q12, Q34, Q67, Q89, Q103] → 142.3µs (σ = 4.1µs over 5-qubit sample)

Raw dataquantum.ibm.com/jobs/cu7s1q3jm8r5g00b8a40 (IBM-side authenticated read)

Measurement distribution (10,000 shots)

State	Count	Probability
\|0⟩	4,892	0.4892
\|1⟩	5,108	0.5108

T2 inferred from coherence-decay fit across 5-qubit Ramsey sequence; full data + fit at the IBM Quantum link above.

D-KaP hybrid signature

This receipt is sealed by EpochCore's D-KaP hybrid scheme. Both signatures bind the entire payload above.

Ed25519
sig = 8a4f12e07c5b9a3d6e8f1b2c4d7a9e0f3c5b8d1a2e4f6c8b0d3a5e7f9c1b4d6e8a0f2c4b6d8e1a3f5c7b9d2e4f6a8c0b1d3e5f7a9c2b4d6f8e0a2c4b6d9f1e3c5b7d9e2f4a6c8b0d3e5f7c9a1b3d5e8f0c2a4b6d8e1f3c5a7b9d2e4f6c8a0b1d3e5

ML-DSA-65 (post-quantum)
sig = 3f8b2c5a9e7d1f4c6b8a0e2d5f7c9b1a3e6d8f0c2b4a7e9d1f3c5b8a0e2d4f6c9b1a3e5d7f0c2b4a6e8d1f3c5b7a9e2d4f6c8b0a3e5d7f9c1b4a6e8d0f2c5b7a9d3e5f7c0b2a4d6e8f1c3b5a7d9e2f4c6b8a0d3e5f7c9b1a4e6d8f0c2b5a7e9d2f4c6b8a1e3d5f7c9b2a4e6d8f1c3b5a7d9e2f4c6b8a0d3e5f7c9b1a4 …truncated…

Signer key (Ed25519)EPOCHCORE™_DKAP_CEO_28ED271DEE6D5C45

Sealed at watermarkEPOCHCORE™_DKAP_CEO_QED2026051700001

Anchor seal (chain head)5dee05c0a4f7e3b2c8d1a5e9f0b3c6d8e2a4f1c7b9d5e0a8f3c2b6d4e1a9f5c0b7d3e8a2f6c4b1d9e5a7f0c3b8d6e2a4f1c5b9d0e7a3f8c2b5d4e9a1f6c0b3d8e5a7f2c4b9d1e0a6f3c5b8d2e7a4f1c9b6d0e3a5f8c2b4d7e1a9f6c3b0d5e8a2f7c4b9d1e6 (predecessor: 28ed271dee6d5c45bb1a852aec5741cd0358f7eb5a01c86d30691772851fdc13)

Settlement

Outcome posted attx 0xdeadbeef… (block 45,891,204)

YES-side claim windowOpen. Winning-side holders call claim(marketId) on the V2 contract.

LP refundCreator may call lpWithdraw(marketId) to recover residual collateral (V2 only).

VERIFIED · SEALED · ON CHAIN