{"what_this_is":"Weekly signed observations of the x402 ecosystem: which listed hosts answered, and what one conformance probe saw at that moment. Hash-chained, ed25519-signed, each digest submitted to OpenTimestamps for Bitcoin anchoring. Free to read.","census":"A census of every host on the public x402 discovery list (2026-08-03, one GET each, reproducible by anyone via the free checker at POST /api/preflight/v1) found 34 of 35 hosts serve no signed offers at all — and the one attempting them serves offers that fail JWS parsing before a verifier reads a single field.","data":"https://scvd.store/corpus.json","per_host":"https://scvd.store/corpus/host/{host}.json","how_to_verify":"Printed on the document itself, at https://scvd.store/corpus.json — recompute the digests, check the signatures against the published key, and run ots verify on evidence that is not ours."}