AEP Attestation & Evidence Exchange Protocol
Trusted digital proof for every piece of AI-generated content
Establish a complete trusted chain from generation to verification for AI content through cryptography, time proof and verifiable data structures.
Complete Evidence Chain
From generation to verification, cryptographic evidence at every step
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AI Content
AI-generated content
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Artifact
Artifact extraction and normalization
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SM3 Hash
Content hashing for integrity
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SM2 Sign
Digital signature for source authentication
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Merkle Tree
Merkle tree for set integrity
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Timestamp
Timestamp for time proof
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.aep Package
Evidence package assembly
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Independent Verification
Independently verifiable by anyone
Built on Proven Cryptography
National-standard algorithms and standard data structures, secure and trustworthy
SM3 Hash Algorithm
Content integrity with 256-bit digest
SM2 Digital Signature
Source authenticity and non-repudiation
Merkle Tree
Efficient verification of large-scale data, set integrity
Evidence Graph
Graph of events and artifacts, complete record of generation
Unified Evidence Package Format
.aep format, ready to use out of the box
evidence.aep
{
"protocol": "aep/1.0",
"createdAt": "2026-08-09T10:00:00Z",
"artifactCount": 3,
"eventCount": 12,
"hashAlgorithm": "sm3",
"signatureAlgorithm": "sm2"
}{
"algorithm": "sm2",
"signature": "base64...",
"publicKey": "signature.pub",
"signer": "did:aep:0x1a2b..."
}Seven-Stage Verification Process
Each step is independently verifiable
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Container Check
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Schema Validation
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Graph Validation
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Merkle Verification
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SM2 Signature Verification
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Identity Check
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Level Calculation
Verification Passed
Developer Friendly
Multiple integration options for fast adoption
Broad Use Cases
Covering every domain of AI generation
AI Writing
Code Generation
Image Generation
Video Generation
Agent Execution
Enterprise Audit
Continuously Evolving
More features and tools coming soon