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 0x9b50951bb5a27be647d23edb19bb4df4b54f1d005e83dd4095349da94ec5d0aa. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/afbe3edf-3edb-47a3-9ebd-d1cdb9050de2.json and https://artists.proofprofile.net/proofs/artist/afbe3edf-3edb-47a3-9ebd-d1cdb9050de2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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We Are Young - DJ Tribute to Fun and Janelle Monae
We Run the Night - DJ Tribute to Havana Brown and Pitbull
All I Know (DJ Tribute to Matrix & Futurebound and Luke Bingham)
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Call My Name (DJ Tribute to Cheryl Cole)
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Gold On the Ceiling - Tribute to the Black Keys
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Dog Days Are Over (A Tribute To Florence and the Machine)
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Come Together (A Tribute to Arctic Monkeys)
White Light (A Tribute to George Michael)
No Name (A Tribute to Ryan O'Shaughnessy)
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Little Black Submarines (A Tribute to The Black Keys)
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Harder Than You Think (A Tribute to Public Enemy)
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Nobody's Business - A Tribute to Rihanna and Chris Brown
On Top Of The World - A Tribute to Imagine Dragons
The Moment I Knew - A Tribute to Taylor Swift
Girl At Home - A Tribute to Taylor Swift
Just One Last Time - A Tribute to David Guetta and Taped Rai
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Learn To Love Again - A Tribute to Lawson
Feel This Moment - A Tribute to Pitbull and Christina Aguilera
Gold Dust - a Tribute to DJ Fresh and Ce'cile
Representin' - a Tribute to Ludacris and Kelly Rowland
She Cranks My Tractor - A Tribute to Dustin Lynch
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Sight Of The Sun - A Tribute to Fun (Girls Soundtrack)
Perfect Replacement - A Tribute to Example
I Love It - A Tribute to Icona Pop and Charli Xcx
Need U (100%) - A Tribute to Duke Dumont and AME