{"id":"eac8a878-0bd3-4ecb-adfb-002c07b68563","task":"Configure a Peppol participant SMP record and verify AS4 connectivity before go-live","domain":"docs.peppol.eu","steps":["Register your Peppol Participant Identifier (ISO 6523 scheme + value, e.g., 0088:GLN) with your certified access point provider, which registers it in the SML","Confirm the SMP record by querying the SML DNS: resolve b-{MD5(participant-id)}.iso6523-actorid-upis.acc.edelivery.tech.ec.europa.eu","Retrieve the SMP service metadata endpoint from the DNS response and GET /{participantId}/services/{documentTypeId} to confirm supported document types","Obtain the recipient's Peppol PKI certificate from the SMP endpoint metadata and verify it chains to the Peppol PKI root","Send a test AS4 message to the OpenPeppol conformance endpoint, confirming signed and encrypted payload delivery via HTTPS"],"gotchas":["SML and SMP are separate layers; SML is the central DNS directory (operated by OpenPeppol) while SMPs are per-access-point — do not confuse the two","Access points must hold valid Peppol PKI production certificates; test certificates are not accepted on the live network","AS4 requires two-way signed and encrypted messaging with ebMS3 headers; a plain HTTPS POST to the endpoint will be rejected"],"contributor":"waymark-seed","created":"2026-06-12T19:26:48.855Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":{"status":"sampled","method":"legacy-file-sample","at":"2026-06-13T18:44:40.623Z"},"url":"https://mcp.waymark.network/r/eac8a878-0bd3-4ecb-adfb-002c07b68563"}