{"algorithm":{"draw_algorithm_version":"winner-selector-v1","rng_version":"drng-v1","seed_derivation":"HKDF-SHA256(ikm=beacon_randomness, salt=SHA256(\"richbrook/draw/normal-draw-v1\"), info=\"normal-draw-v1|\"+competition_public_id+\"|\"+snapshot_sha256)","selection":"DeterministicRngV1(seed).nextInt(row_count) by rejection sampling; the winner is the snapshot row at that zero-based index."},"audit":{"chain_version":"audit-chain-v1","head_event_hash":"13bc79078900251e6524eb3b23acf1088a79c0f33e1acf0cdac17dbc1fef2c44"},"canonical_json_version":"canonical-json-v1","competition":{"closed_at":"2026-10-26T00:47:03Z","closes_at":"2026-10-26T00:47:00Z","jurisdiction":"GB","public_id":"01M5TRKMHP4PGVWWBX8TG6EP4D","title":"Staging 26 Oct 00:08 — Auto","total_tickets":60},"format_version":"receipt-v1","mechanism":{"jurisdiction_policy_version":"jurisdiction-policy-2026-08-15","summary":"One winning ticket, drawn from a public randomness beacon nobody controls.","terms_hash":"83eadf544b9e20af93e428901b44ef441c0a39bf4d824309e31bba56afe7a795","terms_version":"2026-10"},"randomness":{"chain_id":"52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971","chain_public_key":"83cf0f2896adee7eb8b5f01fcad3912212c437e0073e911fb90022d3e760183c8c4b450b6a0a6c3ac6a5776a2d1064510d1fec758c921cc22b0e17e63aaf4bcb5ed66304de9cf809bd274ca73bab4af5a6e9c76a4bc09e76eae8991ef5ece45a","previous_signature":null,"provider":"drand","randomness":"9591969ce3c1e4bd24c3d363ee97664eb7f342aa1e1f84730862d3bc78af4dfe","raw_response_hash":"3e61b8492c1546b920aacdd36d12ec8e588332f745640a7cc463523efbc23ad2","round":33390793,"scheme_id":"bls-unchained-g1-rfc9380","signature":"b446c983873f925bd807b75a0f217eaa81fb4d58b62d6fca81e7da50b94b12228c1783017e89d15777bbebd996bbf1ea","verified_at":"2026-10-26T00:49:08Z","verified_by":"pure-php-bls12-381"},"result":{"executed_at":"2026-10-26T00:49:08Z","max_selection_attempts":10000,"seed_hash":"423c277da9bb4ec7a9c80505ab213bc260f5ab4ea713e6842a213b29d8cd2f60","selection_attempts":[14,40,41],"selection_mode":"full_range_rejection","selection_range_end":60,"selection_range_start":1,"winner_entry_public_id":"01M5TT3M8VCJ8CQN4PAGHFVBTR","winning_index":null,"winning_ticket_number":41},"snapshot":{"anchor":{"anchored_at":"2026-10-26T00:47:05Z","external_reference":"anchors/rfc3161/draw_snapshot-b2a2b6b79bdb4acaf3864ae1ef8ddf9baf082af77cf6fe7534a04d3dbc10f895.tsr","provider":"rfc3161","sha256":"b2a2b6b79bdb4acaf3864ae1ef8ddf9baf082af77cf6fe7534a04d3dbc10f895"},"built_at":"2026-10-26T00:47:05Z","byte_size":478,"format_version":"snapshot-v1","row_count":16,"sha256":"b2a2b6b79bdb4acaf3864ae1ef8ddf9baf082af77cf6fe7534a04d3dbc10f895"}}