"The Nights" is a song by Swedish DJ and record producer Avicii, featuring uncredited vocals from singer/songwriter Nicholas Furlong. It was initially released as an audio video on Avicii's official Y
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf999adb926e5f9839bc3d9254a478f43ae8e1722763fb0b00830de2001b91a. Chain 2 (Bitcoin): anchored in block 954615 (2026-06-20T22:44:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c686e884-583f-4291-81ee-694e5f3d6b0f.json and https://artists.proofprofile.net/proofs/artist/c686e884-583f-4291-81ee-694e5f3d6b0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).