✓
Seal structurally valid · PQC signatures missing or unverified
Hash chain verified, but PQC signature verification did not pass. This may be expected for benchmark archive seals (PQC pre-signing limited to interactive seals in Phase 3).

Seal identity

Seal ID
HSCALE-BENCH-CUQ-PHI-ANSATZ-28Q-8L-1777346368
Scope
cuquantum_phi_ansatz · 28q · 4096 shots · GPU statevector · NVIDIA GeForce RTX 5090 Laptop GPU — SIMULATION, not hardware
Issuing agent
EpochCore benchmark campaign
Issued at
2026-04-28T03:19:28.766390+00:00 · Tue, 28 Apr 2026 03:19:28 GMT
RAS Root
40668c787c463ca5
Genesis Seal
437EC394E97ACCE9

Hash chain

69639919280efcef7fc363a6efe95b5b7241d8129affa0e7f16a0feb4677ca03
→
HSCALE-BENCH-CUQ-PHI-ANSATZ-28Q-8L-1777346368
BLAKE3
5825c2f1ebf09ab0106c8f9cd3bc261ee4cca899dcbf60877a37ea32a16853ff
SHA3-512
bd53ab425fc892c05e93a07a1a519a6113b6606a6671dbce50bae55223955bfa

Triple-signature provenance

Ed25519 (classical) structurally valid
Public key: ed25519:GJFdNhb8CgAiNjet45Td/tCglLue4U9pOqu25h3geYE=
aIYyxRIAKJoUnz8rz2UGnLqqMu262gAmoPf3rYDsvSaXpgD4GBOZyAQbYN/XEhw2wralv+epy8dsQiNrXEi6BQ==
ML-DSA-65 (NIST FIPS 204 lattice PQC) no signature (archive)
Module-Lattice-Based Digital Signature Algorithm — quantum-resistant via lattice problem hardness (CRYSTALS-Dilithium). Verification deferred for archival benchmark seals.
ML-DSA-65 signature payload — 4627 bytes
SLH-DSA-SHA2-128f (NIST FIPS 205 hash-based PQC) no signature (archive)
Stateless Hash-Based Digital Signature Algorithm — quantum-resistant via hash function preimage hardness (SPHINCS+). Verification deferred for archival benchmark seals.
SLH-DSA-SHA2-128f signature payload — 0 bytes

Base L2 on-chain anchor

Chain ID
0 (Base mainnet)
Block height
0
Anchor TX
View on Basescan ↗

Sealed payload (summary)

cuquantum_phi_ansatz on GPU statevector · NVIDIA GeForce RTX 5090 Laptop GPU — SIMULATION, not hardware. 28 measured qubits, 4096 shots, transpiled depth 8. No IBM job id: this run did not execute on hardware. Measured: layers 8 · distinct 4095 · top 0110011010101110111010110010 @ 0.000488. Receipt receipt_cuquantum_28q_8L_1777346368.json, sha256 5825c2f1ebf09ab0106c8f9cd3bc261ee4cca899dcbf60877a37ea32a16853ff. Ed25519 signature is over the 32-byte hex-decoded seal_hash and verifies against the published key; ML-DSA-87 present. Not anchored to an L2 chain — this is a signed archive receipt, not an on-chain record.

Programmatic API

Need machine-readable verification? Use the JSON API:
GET
https://epochcoreqcs.com/api/verify/HSCALE-BENCH-CUQ-PHI-ANSATZ-28Q-8L-1777346368
Returns full seal envelope + verification status as application/json. CORS-enabled. Public.