Data evidence report for a submitted JSON sample: field presence, empty values, ...

{ "body": { "payload": { "price": 42.5, "provider": "Owner-operated synthetic concurrent retry test", "symbol": "CONCURRENT-mcp", "timestamp": "2026-11-01T00:00:00Z" }, "required_fields": [ "symbol", "price", "timestamp", "provider" ] }, "bodyType": "json", "method": "POST", "type": "http" }

{ "example": { "ok": true, "receipt": { "algorithm": "Ed25519", "checked_at": "2026-11-01T17:45:21.907Z", "issuer": "https://weverlabs.com/api/data-evidence-check-contract", "key_id": "wever-trust-20261001", "payload_sha256": "957278d6a7f78aadf1bb258ba67460365b176f741257b6b19104d47c8fcbd0d8", "report_sha256": "2152e1c083a30cb6a82d91a593945c92001134bdc61433030803b0959a9faa8a", "token": "eyJhbGciOiJFZERTQSIsInR5cCI6IndldmVyLWRhdGEtZXZpZGVuY2Urand0Iiwia2lkIjoid2V2ZXItdHJ1c3QtMjAyNjEwMDEifQ.eyJ0eXBlIjoid2V2ZXIuZGF0YS1ldmlkZW5jZS1jaGVjay52MSIsImlzc3VlciI6Imh0dHBzOi8vd2V2ZXJsYWJzLmNvbS9hcGkvZGF0YS1ldmlkZW5jZS1jaGVjay1jb250cmFjdCIsImNoZWNrZWRfYXQiOiIyMDI2LTExLTAxVDE3OjQ1OjIxLjkwN1oiLCJyZXBvcnRfc2hhMjU2IjoiMjE1MmUxYzA4M2EzMGNiNmE4MmQ5MWE1OTM5NDVjOTIwMDExMzRiZGM2MTQzMzAzMDgwM2IwOTU5YTlmYWE4YSIsInBheWxvYWRfc2hhMjU2IjoiOTU3Mjc4ZDZhN2Y3OGFhZGYxYmIyNThiYTY3NDYwMzY1YjE3NmY3NDEyNTdiNmIxOTEwNGQ0N2M4ZmNiZDBkOCJ9.FG-c8BcaaVFHsvkvuwyEukjMYlkQBCjRpC2yLFSJHgFDOw3886zAwMw7Qs7aw9rR59T0BzotdtfGUeVVO9YqAQ", "type": "wever.data-evidence-check.v1" }, "report": { "checked_at": "2026-11-01T17:45:21.907Z", "counts": { "empty": 0, "fields_checked": 4, "malformed": 0, "missing": 0, "present": 4, "stale": 0, "unsourced": 0 }, "dataset_type": "other", "duplicate_keys": { "count": 0, "detection": "object_already_parsed", "entries": [] }, "endpoint": null, "expectation_basis": "required_fields", "expectations": [ "symbol", "price", "timestamp", "provider" ], "fields": [ { "attribution": [ { "path": "/provider" } ], "empty": false, "expectation": "symbol", "expected_type": "string", "malformed": false, "path": "/symbol", "presence": "present", "reasons": [], "required": true, "stale": false, "type": "string", "unsourced": false }, { "attribution": [ { "path": "/provider" } ], "empty": false, "expectation": "price", "expected_type": "number", "malformed": false, "path": "/price", "presence": "present", "reasons": [], "required": true, "stale": false, "type": "number", "unsourced": false }, { "attribution": [ { "path": "/provider" } ], "empty": false, "expectation": "timestamp", "expected_type": null, "malformed": false, "path": "/timestamp", "presence": "present", "reasons": [], "required": true, "stale": false, "timestamp": { "age_seconds": 63921.907, "format": "iso_datetime", "future": false, "parses": true, "stale": false, "utc": "2026-11-01T00:00:00.000Z", "value": "2026-11-01T00:00:00Z" }, "type": "string", "unsourced": false }, { "attribution": [ { "path": "/provider" } ], "empty": false, "expectation": "provider", "expected_type": null, "malformed": false, "path": "/provider", "presence": "present", "reasons": [], "required": true, "stale": false, "type": "string", "unsourced": false } ], "payload": { "bytes": 135, "record_count": 1, "sha256": "957278d6a7f78aadf1bb258ba67460365b176f741257b6b19104d47c8fcbd0d8", "top_level_shape": "object" }, "rules": { "attribution_basis": "Nearest containing source/provider field, inherited by descendants.", "scope": "Facts observed in the submitted sample at checked_at.", "stale_after_seconds": 86400, "timestamp_formats": [ "ISO date (UTC)", "ISO datetime with timezone", "numeric Unix seconds or milliseconds" ], "type_basis": "Named numeric/string field expectations and observed types at matching array record paths." }, "service": "wever-data-evidence-check-v1", "source_attribution": [ { "path": "/provider", "value": "Owner-operated synthetic concurrent retry test" } ], "timestamps": [ { "age_seconds": 63921.907, "format": "iso_datetime", "future": false, "parses": true, "path": "/timestamp", "stale": false, "utc": "2026-11-01T00:00:00.000Z", "value": "2026-11-01T00:00:00Z" } ] } }, "type": "json" }