{"beta":true,"receipt":{"kind":"unpaid_probe","ts":"2026-10-25T05:36:32Z","host":"combinatorics.openverbs.com","url":"https://combinatorics.openverbs.com/v1/catalan","method":"GET","status":402,"latency_ms":252,"error":null,"req_sha256":"54eb2d6988ee370b8ea0c403835b4e78dabd4340820155634dd9b403dd8745c6","resp_sha256":"4428562f07ae09f90a4d399cb3b1504a25da402a55d2a5a1300beea6e7850e83","total_header_bytes":3636,"prober_ua":"BotsRated-probe/0.3 (unpaid check; no payment sent; +https://botsrated.com/disputes)","prober":"botsrated-prober (Cloudflare cron)","probe_version":"0.3","scope":"primary","x402_version":2,"payment_required_header_bytes":1956,"valid_402":true,"live_amount":"4000","live_payTo":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","live_asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","live_network":"eip155:8453","checks":{"terms_consistent":true,"terms_issues":[],"options":1,"base_usdc":true,"payto_stable":true},"extensions_advertised":["mppx","bazaar"],"payment_identifier":{"advertised":false,"required":false},"id":"36e4c3aa1d5f0c2b1d50","sig":{"alg":"ed25519","key_id":"botsrated-prober-1","signed":"canonical JSON of this receipt without the sig field (keys sorted, no whitespace)","sig_b64":"5mA2qj5V5B7n9XLbmfoUZpf3v/uMWyODTPUt67kaoGXG6mxRS0Bob0nxBX5OWMHtyZ6RPvc6bT+SEW+2AnoqCw=="},"receipt_url":"https://botsrated.com/receipt/36e4c3aa1d5f0c2b1d50?host=combinatorics.openverbs.com&day=2026-10-25","tx_url":null,"payment":"none (unpaid probe; no payment header was sent)","signature":"ed25519 per-receipt signature (key botsrated-prober-1; see /.well-known/botsrated-key)"},"stored_in":"D1"}