The BuildSeal Ecosystem

Epistemic infrastructure
for AI accountability.

Not a log file. Not a database record. A cryptographic proof stack that captures what an AI knew, decided, and why β€” immutably, from the moment of generation.

13
Infrastructure layersEach sealing a different dimension of epistemic truth
3
Product surfacesISCProof Β· BuildSeal Β· NYM
1
Open protocolISCProof v5.1 β€” no vendor lock-in
Definition
Epistemic Memory

The complete, cryptographically sealed record of what an AI system knew, what it decided, why it decided it, and how that knowledge changed over time. Not a snapshot. Not a log. A living, append-only proof chain β€” where every claim is classified, every context selection is recorded, every revision is sealed, and every refusal is a first-class audit event. BuildSeal implements epistemic memory across 13 infrastructure layers, all anchored to the ISCProof open protocol.

Infrastructure Β· 13 Layers
What runs under every sealed decision

Click any layer to explore its full specification.

Protocol
Memory
Audit
Identity
Boundary
Protocol01
ISCProof v5.1
Open verification standard

Ed25519 signatures, RFC 3161 timestamps, JCS canonicalization, Merkle roots. The cryptographic foundation every other layer is built on.

Memory02
VEDM
Verifiable Epistemic Decision Memory

Every claim classified at generation: CONFIRMED, INFERRED, RECORDED_POINTER, or UNKNOWN. Epistemic scope drift is impossible.

Audit03
EST
Evidentiary State Transition

Why a decision changed over time β€” sealed. Historical truth vs current truth in an append-only chain with authority and confidence scores.

Memory04
EML
Epistemic Meta Layer

Which records were retrieved, excluded, and why β€” captured at generation. Context selection is a first-class audit object.

Memory05
PSM
Portable Sealed Memory

Full session context sealed into a single restorable link. Provable continuity across devices and sessions. Restoration, not reconstruction.

Boundary06
GABA Boundaries
Cryptographic refusal records

What the AI refused β€” and why β€” is sealed. Inhibition events are first-class audit objects, not silent omissions.

Protocol07
Seal Engine
The sealing runtime

JCS canonicalization β†’ SHA-256 β†’ Ed25519 β†’ RFC 3161 TSA β†’ Merkle root. Deterministic, reproducible, independently verifiable.

Identity08
Epistemic Continuity
Identity across sessions

Reasoning posture, tone, and epistemic state sealed across sessions. The AI is provably the same agent it was in session one.

Audit09
Full Audit Seal
Input + context + policy, all hashed

input_hash, context_hash, entity_state_hash, policy_hash β€” all captured at generation. Nothing reconstructed after the fact.

Audit10
Forensic Events
Scope upgrades & contradictions

SCOPE_UPGRADE, EPISTEMIC_REVISION, CONTRADICTION β€” when the AI changes its understanding, the change is a sealed forensic record.

Identity11
Cognitive State
Sealed runtime state

Coherence, trust level, threat index, signal strength β€” the AI's internal state at decision time is in the seal payload. Attested, not roleplay.

Protocol12
Challenge Endpoint
Evidence without inference

Returns pure database evidence packets β€” no model, no interpretation. The cryptographic proof speaks for itself. Regulators query directly.

Memory13
Relation Graph
Decision lineage

Decisions relate: supports, contradicts, derived_from, supersedes, delegates_to. The full epistemic graph β€” sealed, queryable, verifiable.

Platform
Three surfaces. One proof stack.

The 13 layers run under everything. These are the surfaces you interact with.

Open Protocol
ISCProof
The open standard anyone can implement. Spec, SDK, verification examples, GitHub.
iscproof.io →
Managed Platform
BuildSeal
Production implementation. EU AI Act Article 12 compliant. Three lines to integrate.
Start free →
Reference Agent
NYM
A live AI agent where every answer is sealed and restorable. Show, don't tell.
Talk to NYM →

Epistemic memory for your AI.
Starting now.

Free tier. No credit card. First sealed decision in under a minute.