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 entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x335cab0bbf89381ff4441f46c766eaf1dc55f229119435697845473ae518e93f. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a4c3394b-ecc8-4498-8933-96fdccdffbb5.json and https://artists.proofprofile.net/proofs/artist/a4c3394b-ecc8-4498-8933-96fdccdffbb5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Those Were the Days - Unplugged Live, Vol. 2
Those Were the Days - New Version [Live]
Those Were The Days - Unplugged Live (Vol. 1)
Feelin' Groovy (The 59th Street Bridge Song)
Those Were The Days - Unplugged Live Vol. 2
Those Were the Days Unplugged Live Vol. II
Those Were the Days - Unplugged - Live, Vol. 3
Those Were the Days, Vol. 3 (Unplugged Live)
Those Were the Days (Unplugged Live, Vol. 4)
Those Were the Days Unplugged, Vol. IV (Live)
Those Were the Days (Unplugged - Live, Vol. 4)
Those Were the Days Unplugged Live, Vol. 5
Lady Jane / Let's Spend the Night Together - live
Always Look on the Bright Side of Life - live
Those Were the Days (Unplugged Live, Vol. 5)
Lady Jane / Let's Spend the Night Together - Live
Always Look on Bright Side of Life - Live
A Touch of Velvet a Sting of Brass - Live Unplugged
We Gotta Get out of This Place - Live Unplugged
You Ain't Seen Nothing Yet - 2018 Unplugged
Those Were the Days, Vol. 8 (Unplugged Live)
Those Were the Days Unplugged, Vol. 8 (Live)
With a Little Help from My Friends - Live
With a Little Help from My Friends (Acoustic)
With a Little Help from My Friends - Acoustic
Marmor, Stein und Eisen Bricht (Acoustic)
Marmor, Stein und Eisen Bricht - Acoustic