✓
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-MPS-PHI-GADT-40Q-CHI128-1777344861
Scope
mps_phi_gadt · 40q · 1024 shots · matrix-product-state · matrix_product_state — APPROXIMATE simulation, not hardware
Issuing agent
EpochCore benchmark campaign
Issued at
2026-04-28T02:54:21.139548+00:00 · Tue, 28 Apr 2026 02:54:21 GMT
RAS Root
40668c787c463ca5
Genesis Seal
437EC394E97ACCE9

Hash chain

f69aa6b0af2116eee545958c253b7512968901521fe2396974636e2048583293
→
HSCALE-BENCH-MPS-PHI-GADT-40Q-CHI128-1777344861
BLAKE3
da51905751cc2872d3160942abe80d98bb8a9d72b0bf0e1f3502e81a98eb889f
SHA3-512
21bb1adc7ebff4d199c2ac5ed0bd01a2fb72828e7397b9da1a20ee137848cc1b

Triple-signature provenance

Ed25519 (classical) structurally valid
Public key: ed25519:GJFdNhb8CgAiNjet45Td/tCglLue4U9pOqu25h3geYE=
0JbgQEWE8HpYw0adpndnP0a5KS3Pns3YHBlWW7sUHkUzVPaGivkViOjtUJl9juVoRZoGZBTDIUarccIuQqyaDQ==
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)

mps_phi_gadt on matrix-product-state · matrix_product_state — APPROXIMATE simulation, not hardware. 40 measured qubits, 1024 shots, transpiled depth 43. No IBM job id: this run did not execute on hardware. Measured: chi 128 · distinct 1024 · top 0.000977 · top10 mass 0.009766. Receipt receipt_mps_40q_chi128_1777344861.json, sha256 da51905751cc2872d3160942abe80d98bb8a9d72b0bf0e1f3502e81a98eb889f. 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-MPS-PHI-GADT-40Q-CHI128-1777344861
Returns full seal envelope + verification status as application/json. CORS-enabled. Public.