{
    "header": {
        "manifest_version": "1.0",
        "schema_uri": "https://www.lowpricedito.com/.well-known/provenance/schema.json",
        "alg": "es256",
        "cert": "LS0tLS1CRUdJTiBQVUJMSUMgS0VZLS0tLS0KTUZrd0V3WUhLb1pJemowQ0FRWUlLb1pJemowREFRY0RRZ0FFbmNKSjdWdGVMbm5WQi9FWVZlSUQyT2xrZzZkOQpRcGxvdEc4TldLY0FOUVZkVXBIdzNiVUx4TW9nMXZPWHJySlJTdkpaS2RjRmlYM1h6Skg2OHFwalF3PT0KLS0tLS1FTkQgUFVCTElDIEtFWS0tLS0tCg==",
        "cert_info": {
            "type": "public-key-pem",
            "fingerprint": "da417e124f8738203ccb0c47ffcde4754823b599722b9481df959f13c65992b9",
            "encoding": "base64",
            "decode_instructions": "Base64-decode this value. If type is 'public-key-pem', parse result as PEM-encoded public key. If type is 'x509', parse as DER-encoded X.509 certificate."
        },
        "sig_info": {
            "alg": "ES256",
            "sig_format": "raw-der-base64",
            "hash_algo": "sha256",
            "curve": "P-256",
            "canonicalization": "recursive-ksort-json",
            "signs_what": "The entire 'claim' object, recursively key-sorted via recursiveKsort(), then serialized with JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE",
            "description": "ECDSA signature over the canonicalized claim object using P-256 curve and SHA-256 hash. Signature is DER-encoded then base64-encoded."
        },
        "revocation": {
            "mechanism": "Revocation List",
            "uri": "https://www.lowpricedito.com/.well-known/provenance/revocations.json",
            "description": "List of revoked manifest instance_ids. Verifiers should check this before trusting any signature."
        },
        "timestamp_authority": {
            "mechanism": "Server-Attested Timestamp",
            "uri": "https://www.lowpricedito.com/.well-known/provenance/timestamp-authority.json",
            "description": "The public key's operational time window. Signatures before key_activated or after key_revoked should be treated as untrusted. If key is compromised, key_compromised_date is set."
        }
    },
    "claim": {
        "claim_generator": "Clickerwayne-Provenance-Engine/1.5",
        "format": "application/vnd.clickerwayne.provenance+json",
        "instance_id": "xmpid:236a4bd52838e55d278122067b6b1c98",
        "assertions": [
            {
                "label": "org.clickerwayne.price-list-assertion",
                "data": {
                    "page_id": 100,
                    "page_type": "product",
                    "page_name": "Tisyu Bathroom Tissue Classic 12 Rolls 2-Ply 400 Sheets",
                    "url_slug": "tisyu-bathroom-tissue-classic-12-rolls-2-ply-400-sheets",
                    "meta_title": "Tisyu Bathroom Tissue Classic 12 Rolls 2-Ply | Shop Now",
                    "url": "https://www.lowpricedito.com/product/tisyu-bathroom-tissue-classic-12-rolls-2-ply-400-sheets",
                    "source": "Clickerwayne Holdings OPC",
                    "method": "DB-Driven-Hybrid-Retail-Engine",
                    "timestamp": "2026-07-01T15:23:24Z",
                    "hash": "sha256-f1f2013c2445dbd0ef2b8b86cdd90580e08161426795ab27d93fd3ad6c0e06ce",
                    "claim_type": "Price Claim",
                    "description": "Verified price listing from internal retail database",
                    "price_valid_until": "2026-07-08T15:23:24Z"
                }
            },
            {
                "label": "org.clickerwayne.product-assertion",
                "data": {
                    "page_id": 100,
                    "page_type": "product",
                    "page_name": "Tisyu Bathroom Tissue Classic 12 Rolls 2-Ply 400 Sheets",
                    "url_slug": "tisyu-bathroom-tissue-classic-12-rolls-2-ply-400-sheets",
                    "meta_title": "Tisyu Bathroom Tissue Classic 12 Rolls 2-Ply | Shop Now",
                    "url": "https://www.lowpricedito.com/product/tisyu-bathroom-tissue-classic-12-rolls-2-ply-400-sheets",
                    "source": "Clickerwayne Holdings OPC",
                    "method": "DB-Driven-Hybrid-Retail-Engine",
                    "timestamp": "2026-07-01T15:23:24Z",
                    "hash": "sha256-f1f2013c2445dbd0ef2b8b86cdd90580e08161426795ab27d93fd3ad6c0e06ce",
                    "claim_type": "Product Verification",
                    "description": "Cryptographic proof of product listing authenticity"
                }
            }
        ]
    },
    "signature": "MEYCIQDgXhBw8VTMWe7xaZ3QyBUg9FBYmrS+rYSJ6qmxkagwMQIhAL01OXBRh9EBop/c1tgqajnYJ132o6ertFSi/TxsJp9z"
}