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 0x9f3556e87c5b40919ecbaf096749ba6b661dd2f996052b3214bd47a114dc0c8a. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6865ce4f-b1f2-46ad-a233-6c47f5d13366.json and https://artists.proofprofile.net/proofs/artist/6865ce4f-b1f2-46ad-a233-6c47f5d13366.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Jazz, Swing and Croon - 100 Classic Backing Tracks
A Good Year for the Roses (Instrumental)
Another Time, Another Place (Instrumental)
Around the World in 80 Days (Instrumental)
Darling Je Vous Aime Beaucoup (Instrumental)
Deep in the Heart of Texas (Instrumental)
Funny Familiar Forgotten Feelings (Instrumental)
Give My Regards to Broadway (Instrumental)
Green Green Grass of Home (Instrumental)
How Do You Keep the Music Playing (Instrumental)
I Don't Want to Walk Without You (Instrumental)
I Left My Heart in San Francisco (Instrumental)
I Saw Mommy Kissing Santa Claus (Instrumental)
Its Still Rock and Roll to Me (Instrumental)
Just a Gigolo, Ain't Got Nobody (Instrumental)
Les Bicyclettes De Belsize (Instrumental)
Little Ole Wine Drinker, Me (Instrumental)
Memories Are Made of This (Instrumental)
Put Your Head on My Shoulder (Instrumental)
Say You'll Stay Until Tomorrow (Instrumental)
Those Lazy, Hazy Crazy Days of Summer (Instrumental)
You Can Leave Your Hat On (Instrumental)