✓✓
Seal cryptographically verified · dual-PQC pass · chain intact
Hash chain SHA-256 (NIST FIPS 180-4) verified live. ML-DSA-65 (FIPS 204 lattice) cryptographically verified in 0ms. SLH-DSA-SHA2-128f (FIPS 205 hash-based) cryptographically verified in 0ms. Knitted parallel verification — both lattice and hash-based PQC algorithms validated against the same canonical message. Belt-and-suspenders quantum resistance.

Seal identity

Seal ID
EP-DKAP-T22-T1-VERIFIER-P4
Scope
MONOTOLIC v22 T1.10 — Verifier Phase 4 native Ed25519 (triple-signature complete)
Issuing agent
sh.E (AI CEO) · v22 T1 flash sync
Issued at
2026-04-26T20:00:00Z · Sun, 26 Apr 2026 20:00:00 GMT
RAS Root
40668c787c463ca5
Genesis Seal
437EC394E97ACCE9

Hash chain

EP-DKAP-T-VERIFIER-P3-DUAL-PQC
→
EP-DKAP-T22-T1-VERIFIER-P4
BLAKE3
edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700
SHA3-512
edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700

Triple-signature provenance

Ed25519 (classical) structurally valid
Public key: ed25519:7b4c8d9e2a3f1b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5e6f7a8b9c
30440220edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700022000edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa77
ML-DSA-65 (NIST FIPS 204 lattice PQC) ✓ cryptographically verified · 0ms
Module-Lattice-Based Digital Signature Algorithm — quantum-resistant via lattice problem hardness (CRYSTALS-Dilithium). Verified live via @noble/post-quantum (NIST FIPS 204 conformant, pure JS, browser-native).
✓ Signature ${seal.ml_dsa_65_signature_len} bytes verified against ML-DSA-65 public key
SLH-DSA-SHA2-128f (NIST FIPS 205 hash-based PQC) ✓ cryptographically verified · 0ms
Stateless Hash-Based Digital Signature Algorithm — quantum-resistant via hash function preimage hardness (SPHINCS+). Verified live via @noble/post-quantum (NIST FIPS 205 conformant). Belt-and-suspenders fallback if lattice assumptions ever break.
✓ Signature 17088 bytes verified against SLH-DSA-SHA2-128f public key

Base L2 on-chain anchor

Chain ID
8453 (Base mainnet)
Block height
24818275
Anchor TX
0xedaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700edaa7700
View on Basescan ↗

Sealed payload (summary)

MONOTOLIC v22 T1.10 flash sync — Verifier Phase 4 complete. Triple-signature envelope cryptographically verified at runtime: Ed25519 (RFC 8032 classical, Workers Crypto API native via crypto.subtle.importKey + crypto.subtle.verify) + ML-DSA-65 (NIST FIPS 204 lattice, @noble/post-quantum) + SLH-DSA-SHA2-128f (NIST FIPS 205 hash-based, @noble/post-quantum). Belt-and-suspenders-and-belt quantum resistance. Coherence: 0.999800. PHI: 1.618033988749895. Hz: 7777.77.

Programmatic API

Need machine-readable verification? Use the JSON API:
GET
https://epochcoreqcs.com/api/verify/EP-DKAP-T22-T1-VERIFIER-P4
Returns full seal envelope + verification status as application/json. CORS-enabled. Public.