Every action an autonomous system takes leaves a receipt: the exact bytes of what happened, hashed, signed twice and chained to the receipt before it. Anyone holding the public keys can check it, offline, without asking us.
Starts muted. The visualisation is illustrative; the steps are the real ones.
Who acted, what they did, on which resource, when, and which receipt came before. Inputs and outputs are kept as hashes, not raw content. Names, resource identifiers, times and the model used stay readable, and can themselves be sensitive.
The record is rewritten in RFC 8785 canonical JSON, so two independent implementations produce the same bytes and the same SHA-256 digest.
The digest is signed with Ed25519 and with ML-DSA-65. Both must hold; a receipt with one signature missing is refused.
Receipts link into a chain and roll up into a Merkle root. Change one byte anywhere and verification fails at that point.
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