AER-1 corpus vectors / Chain vectors

chain-single-entry-valid

Family: Chain vectors. Source: base/chain-vectors.json in the AER-1 corpus published at zambo.dev/aer1/corpus.json (kit 1.5.7, draft-zambo-aer1-26), file SHA-256 10de1cadb45b8d5c91ae94a601c6bb567aab59b26e89abbbb64af6896d3aba19.

What this vector covers

Single entry chained from genesis with close=true.

Rule it exercises

draft-zambo-aer1 Section 7 (normative): entry digest = SHA-256 over base64-decoded canonical_bytes; prev_digest links entries; genesis prev_digest is 64 zeros; timeline must end with a closing entry carrying close=true

Input

The vector input, exactly as published in the corpus:

{
  "timeline": [
    {
      "id": "0b1b230b-3b5e-4895-8a68-c8f089fc2785",
      "canonical_bytes": "eyJ2ZWN0b3IiOiJjaGFpbi1zaW5nbGUtZW50cnktdmFsaWQiLCJlbnRyeSI6MCwibm90ZSI6ImFlci0xIHNlY3Rpb24gNyBjaGFpbiB2ZWN0b3IifQ==",
      "prev_digest": "0000000000000000000000000000000000000000000000000000000000000000",
      "close": true
    }
  ]
}

Expected result

• expected_verdict: valid

Checks it exercises

Try Zambo free: add Zambo to your AI to run this kind of check on your own agent work, with 20 free calls per day and a Day Pass at $0.99 for 24h when you need more. Every call returns a verifiable receipt, and a receipt proves the saved result was not changed.

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.