AER-1 corpus vectors / Test vectors: invalid

version-downgrade

Family: Test vectors: invalid. Source: base/test-vectors/invalid/version-downgrade.json in the AER-1 corpus published at zambo.dev/aer1/corpus.json (kit 1.5.7, draft-zambo-aer1-26), file SHA-256 228160b1c6fa8985df13a11342fae58844dc05bd34a3017f344c8d08deb1d3b9. Receipt id recorded in the vector: 62e028e2-9bc0-4d70-9762-17d1a84b411f.

Input

The vector input, exactly as published in the corpus:

{
  "id": "62e028e2-9bc0-4d70-9762-17d1a84b411f",
  "receipt_schema_version": "0.3",
  "created_at": "2026-10-08T12:00:00.000Z",
  "tool": {
    "name": "get_weather",
    "version": "1.0.0",
    "scope": "public"
  },
  "provenance_class": "EXECUTED BY ZAMBO",
  "canonical_bytes": "eyJpbnB1dHMiOnsiY2l0eSI6IkF1c3RpbiJ9LCJpc3N1ZXJfY2xhaW1zIjp7InByb3ZlbmFuY2VfY2xhc3MiOiJFWEVDVVRFRCBCWSBaQU1CTyJ9LCJvdXRwdXRzIjoic3VubnksIDc1RiIsInJlY2VpcHRfc2NoZW1hX3ZlcnNpb24iOiIwLjQiLCJ0b29sIjoiZ2V0X3dlYXRoZXIifQ==",
  "output_hash": "sha256:3f113a9b490bc0b2a22b56a22b48cd9396b2e6a8082824cf56ca85fe53e795d6",
  "verification_status": "verified"
}

Expected result

expected verdict (corpus path): invalid: the receipt must fail

Checks it exercises

Check	Requirement	Why
receipt verification	must-fail	The corpus places this receipt under test-vectors/invalid/.

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See the full set in the AER-1 corpus vectors index and the AER-1 corpus checks index, or read the standard itself: draft-zambo-aer1-26.