{"api_version":2,"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","id":"ae08da2a-f605-4793-9acb-6aa35e1657b4","source_url":"https://zambo.dev/api/receipt/ae08da2a-f605-4793-9acb-6aa35e1657b4","receipt":{"id":"ae08da2a-f605-4793-9acb-6aa35e1657b4","created_at":"2026-10-06T03:05:09.699Z","receipt_schema_version":"0.3","job_summary":"MCP tool execution: regex_build","tools":["regex_build"],"steps":[{"tool":"regex_build","status":"success","started_at":"2026-10-06T03:05:05.265Z","completed_at":"2026-10-06T03:05:09.366Z"}],"output_hash":"sha256:788d85a3d03073aa2cccd01e71025d821365dd157adac45a910368d04f96194a","hash_algorithm":"sha256","canonical_bytes":"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","canonical_bytes_withheld_for_privacy":false,"canonical_byte_length":2293,"verification_status":"legacy_receipt","session_trail":[],"result_preview":"{\"pattern\":\"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\\\.[a-zA-Z]{2,}$\",\"flags\":\"\",\"plain_english\":\"Matches strings that start with one or more alphanumeric characters, dots, underscores, percent signs, plus signs, or hyphens, followed by an at sign, then one or more alphanumeric characters, dots, or hyphens, followed by a dot, and ending with two or more letters.\",\"code_snippet\":\"const emailRegex = /^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\\\.[a-zA-Z]{2,}$/;\\n\\nfunction isValidEmail(email) {\\n  return emailRegex.test(email);\\n}\\n\\n// Example usage:\\nconsole.log(isValidEmail('[REDACTED_EMAIL]')); // true\\nconsole.log(isValidEmail('invalid-email')); // false\",\"test_cases\":[{\"input\":\"[REDACTED_EMAIL]\",\"matches\":true,\"explanation\":\"Valid email with standard format\"},{\"input\":\"[REDACTED_EMAIL]\",\"matches\":true,\"explanation\":\"Valid email with dots, plus sign, and multi-level domain\"},{\"input\":\"invalid-email\",\"matches\":false,\"explanation\":\"Missing @ symbol and domain\"},{\"input\":\"@example.com\",\"matches\":false,\"explanation\":\"Missing local part before @\"},{\"input\":\"user@\",\"matches\":false,\"explanation\":\"Missing domain after @\"},{\"input\":\"user@.com\",\"matches\":false,\"explanation\":\"Domain starts with a dot\"}],\"edge_cases\":[\"Emails with international characters (not supported by this regex)\",\"Emails with quoted local parts (e.g., \\\"user name\\\"@example.com)\",\"Emails with IP address domains (e.g., user@[192.168.1.1])\",\"Very long email addresses exceeding typical limits\"],\"alternatives\":[\"Use a more comprehensive RFC 5322-compliant regex for production systems\",\"Use a dedicated email validation library for complex cases\",\"Combine regex with server-side validation for robust email verification\"]}\n\n$0.99 Day Pass · 24h access · USDC on Base — activate with day_pass_activate.","result_preview_integrity":"display_only_not_committed","result_preview_truncated":false,"free_used":0,"free_remaining":0,"free_limit":0,"signal_handle":null,"tool":{"name":"regex_build","version":"4.0.0","scope":"public"},"caller":{"type":"anonymous","id":"sha256:462e58a7c71e2908382513a2b3aa6526ad882e315da5746728c943130aea6da4"},"side_effects":{"declared":["none"],"schema_version":"zambo-side-effects/1","declaration_hash":"sha256:45aad38f3aa982b9aafe92ecb416ebe98791eddbaf8ab6df0bd08605b7c1bfee"},"evidence_sha256":null,"evidence_url":null,"evidence_byte_length":null,"evidence_content_type":null,"evidence_source_url":null,"evidence_status":"no_upstream_bytes_captured","external_evidence":[],"provenance":null,"provenance_class":"EXECUTED BY ZAMBO","metadata_hash":null,"anchor":{"event_id":"9bef4c71ce8b2aa63d2973bcac709b8cd8a9bc0acce1080e355710119e6d68af","pubkey":"e13475107d30c918ec664adf2ab1141024a22fb35190f82c9e933704fa49af41","relays":["wss://relay.damus.io","wss://nos.lol","wss://relay.primal.net"],"status":"partial","published_at":"2026-10-06T03:05:15.774Z","schema_version":"zambo-receipt-anchor/1","envelope":{"anchored_at":"2026-10-06T03:05:09.366Z","evidence_url":null,"receipt_uuid":"ae08da2a-f605-4793-9acb-6aa35e1657b4","output_sha256":"sha256:788d85a3d03073aa2cccd01e71025d821365dd157adac45a910368d04f96194a","schema_version":"zambo-receipt-anchor/1","evidence_sha256":null,"evidence_byte_length":null},"envelope_bytes":"{\"anchored_at\":\"2026-10-06T03:05:09.366Z\",\"evidence_byte_length\":null,\"evidence_sha256\":null,\"evidence_url\":null,\"output_sha256\":\"sha256:788d85a3d03073aa2cccd01e71025d821365dd157adac45a910368d04f96194a\",\"receipt_uuid\":\"ae08da2a-f605-4793-9acb-6aa35e1657b4\",\"schema_version\":\"zambo-receipt-anchor/1\"}"},"receipt_profile":"zambo-hosted-receipt/1","schema_url":"https://zambo.dev/aer-1/hosted-profile.schema.json","api_version":1,"verification_scope":"separate_sha256_commitment_and_provenance_binding_checks","checks":{"commitment_matches":{"label":"SHA-256 commitment","passed":true,"status":"pass","detail":"The exact decoded canonical bytes match the stored SHA-256 output hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"legacy","passed":false,"detail":"legacy receipt, provenance not cryptographically bound"},"metadata_binding":{"label":"AER-1 metadata hash","status":"legacy","passed":false,"detail":"legacy receipt, metadata is not cryptographically bound"},"signature":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"No Ed25519 signature or pinned signing key was checked."},"chain":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"No append-only receipt-chain proof was checked."},"issued_by_zambo_dev":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"immutable_log_timestamp":{"label":"Stored timestamp","passed":true,"timestamp":"2026-10-06T03:05:09.699Z","detail":"The receipt store reports 2026-10-06T03:05:09.699Z; immutability is not checked here."},"receipt_schema_version":"0.3","signature_valid":{"label":"Ed25519 signature (not checked)","passed":false,"status":"not_checked","detail":"Compatibility field only. No Ed25519 signature was checked; use API v2 checks.commitment_matches for the SHA-256 commitment."},"chain_valid":{"label":"Receipt chain (not checked)","passed":false,"status":"not_checked","detail":"This endpoint does not verify an append-only chain."}}},"verification_status":"legacy_receipt","checks":{"commitment_matches":{"status":"pass","passed":true,"expected_hash":"sha256:788d85a3d03073aa2cccd01e71025d821365dd157adac45a910368d04f96194a","computed_hash":"sha256:788d85a3d03073aa2cccd01e71025d821365dd157adac45a910368d04f96194a","detail":"SHA-256 of the exact decoded canonical bytes matches output_hash."},"canonical_payload_matches":{"label":"Canonical payload reconstruction","passed":true,"status":"pass","detail":"The stored output and known call context reconstruct the exact canonical bytes."},"provenance_binding":{"label":"Provenance claim binding","status":"legacy","passed":false,"detail":"legacy receipt, provenance not cryptographically bound"},"metadata_binding":{"label":"AER-1 metadata hash","status":"legacy","passed":false,"detail":"legacy receipt, metadata is not cryptographically bound"},"issuer_authentication":{"label":"Issuer authentication","passed":false,"status":"not_checked","detail":"A zambo.dev receipt URL does not authenticate the issuer; no pinned signature or trusted issuer key was checked."},"signature":{"status":"not_checked","detail":"No Ed25519 signature or pinned signing key is supplied."},"schema":{"status":"not_checked","detail":"Schema conformance is left to the client using the linked hosted-profile schema."},"chain":{"status":"not_checked","detail":"This endpoint does not verify an append-only receipt chain."}}}