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 0x8a224a454630df90e7ec69baa0474b096f410f616efb16ec88cacf337114ffce. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/803a472c-5322-4ede-8cad-ecb10f547eef.json and https://artists.proofprofile.net/proofs/artist/803a472c-5322-4ede-8cad-ecb10f547eef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Warsaw Concerto (From "Dangerous Moonlight")
The Night Has Eyes (From "The Night Has Eyes")
A Tale of Two Cities (From "A Tale of Two Cities")
Jealous Lover (From "The Story of Three Loves")
Legend of the Glass Mountain (From "Legend of the Glass Mountain")
Intermezzo (From "The Spellbound Concerto")
Slaughter on Tenth Avenue (From "Slaughter on Tenth Avenue")
Liberace at the London Palladium (Original Album) [Live]
The Last Time I Saw Paris / The River Seine / Autumn Leaves / Under Paris Skies / The Poor People of Paris / Can Can - Live
Jalousie (Jealousy) / Boogie Woogie / You Made Me Love You [I Didn't Want to Do It] - Live
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cc25efc4d292044f3cc7563b46a8c9168f2899ceea7b3264339b78153041ef1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZeD2v21LGvUHO3BxBC8iI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZeD2v21LGvUHO3BxBC8iI.
{"copyright_id":"0x3cc252d4ba1def34719e0b08683c5f7f3a0d26e6964c8c2877529e3eeeec9702","isrc":"ES31E2303358","name":"Tchaikovsky's Piano Concerto No. 1","registered_at":"2026-06-18T17:18:15Z","spotify_id":"79E9DxOZ6aZBbEqfRPRGwu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cc252d4ba1def34719e0b08683c5f7f3a0d26e6964c8c2877529e3eeeec9702. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79E9DxOZ6aZBbEqfRPRGwu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79E9DxOZ6aZBbEqfRPRGwu.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf2a6e60877c49fafa6d08ed636191f62f0401d65e5caa1613f4cbdb24a266fa. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/66N9TZecaMFH24UO3UKtG3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/66N9TZecaMFH24UO3UKtG3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe81cca0f271bfdaa47d4b25bd0fa747d7fce03da04966beb6caeab08aa1c47a6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6IyX4ptsL8LwwJXlnQm0Ke.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6IyX4ptsL8LwwJXlnQm0Ke.
I Don't Care (As Long As You Care For Me)
I'll Get By (As Long as I Have You) [Remastered 2014]
Unchained Melody (From "Unchained") [Remastered 2014]
I'm Always Chasing Rainbows (Remastered 2014)
Gershwin Medley: Oh, Lady Be Good! / Clap Your Hands
Around the World in 80 Days - Remastered
Medley: Rhapsody in Blue - I Got Rhythm - Remastered
Moonglow and the Theme from Picnic - Remastered
Medley: the Last Time I Saw Paris - the River Seine - Autumn Leaves - Under Paris Skies - the Poor People of Paris - Can Can - Live - Remastered
Love Letters [Instrumental] - Remastered
Love Is a Many Splendoured Thing - Remastered
Medley: Jalousie [Jealousy] - Boogie Woogie - You Made Me Love You (I Didn't Want to Do It) - Live - Remastered
Let There Be Peace on Earth (Let It Begin with Me) - Remastered
May the Good Lord Bless and Keep You - Remastered
Three Coins in the Fountain - Remastered
I Don't Care (As Long as You Care for Me)
May the Good Lord Bless You and Keep You
It's Beginning to Look a Lot Like Christmas
Medley: Jingle Bell Rock / Deck the Halls
Medley: What Child Is This / I Heard the Bells on Christmas Day
Medley: It Came Upon a Midnight Clear / Away in a Manger
Quality Music 100 (100 Recorded Remastered)
Rhapsody by Candlelight (1962 Version) - Remastered
Clair de lune (Arr. From Claude Debussy) - Remastered
Moonlight Sonata (Arr. From Ludwig van Beethoven) - Remastered
Sincerely Yours (1962 Version) - Remastered
Dream of Love (Liebestraum) [Arr. From Franz Liszt] - Remastered
Theme From "Story Of Three Loves" (Arr. From Sergei Rachmaninoff) - Remastered
Schubert's Serenade (Arr. From Franz Schubert) - Remastered
Tchaikovsky's Piano Concerto No. 1 (Arr. From Piotr Ilyich Tchaikovsky) - Remastered
May the Good Lord Bless You and Keep You - Remastered
Rhapsody Of Love. Etude No. 3 in E Major, Op. 10 (Arr. From Frédéric Chopin) - Remastered
Traumerei (Arr. From Robert Schumann) - Remastered
The Classic Christmas Album (Remastered)
Medley: O Little Town of Bethlehem / It Came Upon a Midnight Clear / Joy to the World - Remastered
Santa Claus Is Comin' to Town / Here Comes Santa Claus - Remastered
O Tannenbaum / We Wish You a Merry Christmas - Remastered
Medley: Jingle Bells / White Christmas / Adestes Fideles / Silent Night - Remastered
'Twas the Night Before Christmas - Remastered
Show Tunes Medley/ Memory / Send In The Clowns / New York, New York / As Long As He Needs Me / Chariots Of Fire - Live
Rhapsody By Candlelight (1962 Version) - Remastered
I'm Always Chasing Rainbows (1962 Version) - Remastered
I Don't Care (As Long As You Care for Me)
Medley: Zarathustra Fanfare / Strauss Waltzes (Live)
Show Tunes Medley: Memory / Send in the Clowns / New York, New York / As Long as He Needs Me / Chariots of Fire (Live)
Let There Be Peace on Earth (Let It Begin With Me)
Let There Be Place on Earth (Let It Begin with Me)
Medley: Jalousie (Jealousy)/Boogie Woogie/You Made Me Love You [I Didn't Want to Do It]
Medley: The Last Time I Saw Paris/The River Seine/Autumn Leaves/Under Paris Skies/The Poor People of Paris/Can Can
Memory / Send In The Clowns / New York, New York / As Long As He Needs Me / Chariots Of Fire - Live
Let There Be Peace On Earth (Let It Begin With Me)
May The Good Lord Bless You And Keep You
Piano Songbook of Movie Themes (Remastered)
Three Coins in the Fountain (Lounge Serie)
{"copyright_id":"0x197458d1850f40c6fecc0944ae88a88c4500301d06caaa0fe44f2bc019c7664e","isrc":"DEBL61360399","name":"Around the World in Eighty Days","registered_at":"2026-06-25T22:39:49Z","spotify_id":"6baQJ9yH8zfa195yvR09Em","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x197458d1850f40c6fecc0944ae88a88c4500301d06caaa0fe44f2bc019c7664e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6baQJ9yH8zfa195yvR09Em.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6baQJ9yH8zfa195yvR09Em.
{"copyright_id":"0xdd485dbe62a350d715e005d0e623fbcd3e1ae845a4fa042b754260eec76d421f","isrc":"DEBL61360401","name":"Moonglow and Theme from Picnic","registered_at":"2026-06-21T07:59:48Z","spotify_id":"4Roa0dL8q7L99jcoaB4e2K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd485dbe62a350d715e005d0e623fbcd3e1ae845a4fa042b754260eec76d421f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4Roa0dL8q7L99jcoaB4e2K.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4Roa0dL8q7L99jcoaB4e2K.
{"copyright_id":"0xceebd102670d802620c623dc12d21edcd81c7c60d054d5ce3ba8ad233e32238c","isrc":"DEBL61360406","name":"Love Is a Many Splendored Thing","registered_at":"2026-06-23T16:19:07Z","spotify_id":"0ET9r6fdjOwH3cDB6DTUMy","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceebd102670d802620c623dc12d21edcd81c7c60d054d5ce3ba8ad233e32238c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0ET9r6fdjOwH3cDB6DTUMy.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0ET9r6fdjOwH3cDB6DTUMy.
{"copyright_id":"0x103eb9fe050baacc003c2deee5171c5872b68caa30343f47db43f1a4fcdbd541","isrc":"DEBL61360409","name":"And This Is My Beloved","registered_at":"2026-06-27T05:28:56Z","spotify_id":"1j22pkqpOJfMjQMiqm8GzW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x103eb9fe050baacc003c2deee5171c5872b68caa30343f47db43f1a4fcdbd541. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1j22pkqpOJfMjQMiqm8GzW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1j22pkqpOJfMjQMiqm8GzW.