1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54426c6270faff49fa12f63ed5ea71abd1dd2c7c893497cffccac954726cc261. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/36804621-0b55-45c7-8ea3-1b80673b9b47.json and https://artists.proofprofile.net/proofs/artist/36804621-0b55-45c7-8ea3-1b80673b9b47.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Vincent (From The Voice Of Holland Season 8)
Vincent - From The Voice Of Holland Season 8
Human (From The Voice Of Holland Season 8)
Human - From The Voice Of Holland Season 8
Wicked Game (The Voice Of Holland Season 8)
Wicked Game - The Voice Of Holland Season 8
Feeling Good (The Voice Of Holland Season 8)
Feeling Good - The Voice Of Holland Season 8
Feeling Good (From The Voice Of Holland Season 8)
Feeling Good - From The Voice Of Holland Season 8
Wicked Game (From The Voice Of Holland Season 8)
Wicked Game - From The Voice Of Holland Season 8
I'm On Fire (The Voice Of Holland Season 8)
I'm On Fire - The Voice Of Holland Season 8
I'm On Fire (From The Voice Of Holland Season 8)
I'm On Fire - From The Voice Of Holland Season 8
I Hope That I Don't Fall In Love With You
I Will Go On (Live Version - Deprestival NPO3)
I Will Go On - Live Version - Deprestival NPO3
Let It Be (Better Than Ever / Aflevering 4 / Live)
Let It Be - Better Than Ever / Aflevering 4 / Live
Working Class Hero (Better Than Ever / Aflevering 6 / Live)
Working Class Hero - Better Than Ever / Aflevering 6 / Live