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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0ed83c3cd812fb090011d6c63f93bf8b30fb950c864218cb5270f00d9814b7f2. 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/6f3e143f-78eb-49b8-adf7-f712bc32f548.json and https://artists.proofprofile.net/proofs/artist/6f3e143f-78eb-49b8-adf7-f712bc32f548.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Crawling Back To You (Karaoke Version With Teaching Vocal In The Style Of Daughtry)
No Surprise (Karaoke Version With Guide Melody in the Style of Daughtry)
No Surprise (Karaoke Version With Teaching Vocal in the Style of Daughtry)
Save Me San Francisco (Karaoke Version With Backup Vocals in the Style of Train)
Save Me San Francisco (Karaoke Version With Teaching Vocal in the Style of Train)
Save Me San Francisco (Karaoke Version With Guide Melody in the Style of Train)
Crawling Back to You (Karaoke Version With Backup Vocals in the Style of Daughtry)
No Surprise (Karaoke Version With Backup Vocals in the Style of Daughtry)
Crawling Back to You (Karaoke Version With Guide Melody in the Style of Daughtry)
Mack the Knife (Karaoke Version, Instrumental Only, in the Style of Bobby Darin)
Mack the Knife (Karaoke Version With Teaching Vocal in the Style of Bobby Darin)
Mack the Knife (Karaoke Version With Guide Melody in the Style of Bobby Darin)
Light On (Karaoke Version With Teaching Vocal in the Style of David Cook)
Light On (Karaoke Version With Guide Melody in the Style of David Cook)
Beth (Karaoke Version With Guide Melody in the Style of Kiss)
Light On (Karaoke Version With Backup Vocals in the Style of David Cook)
Marry Me (Acoustic Karaoke Version, Instrumental Only, in the Style of Train)
Marry Me (Karaoke Version With Teaching Vocal in the Style of Train)
Marry Me (Karaoke Version, Instrumental Only, in the Style of Train)
Marry Me (Acoustic Karaoke Version With Guide Melody in the Style of Train)
Marry Me (Acoustic Karaoke Version With Teaching Vocal in the Style of Train)
Beth (Karaoke Version With Backup Vocals in the Style of Kiss)
Marry Me (Karaoke Version With Guide Melody in the Style of Train)
Beth (Karaoke Version With Teaching Vocal in the Style of Kiss)
Remember the Time (Karaoke Version With Backup Vocals in the Style of Michael Jackson)
Ordinary People (Karaoke Version, Instrumental Only, in the Style of John Legend)
Ordinary People (Karaoke Version With Teaching Vocal in the Style of John Legend)
Ordinary People (Karaoke Version With Guide Melody in the Style of John Legend)
Angie (Karaoke Version With Guide Melody in the Style of the Rolling Stones)
The Wrestler (Karaoke Version With Backup Vocals in the Style of Bruce Springsteen)
The Wrestler (Karaoke Version With Guide Melody in the Style of Bruce Springsteen)
The Wrestler (Karaoke Version With Teaching Vocal in the Style of Bruce Springsteen)
Angie (Karaoke Version With Teaching Vocal in the Style of the Rolling Stones)
Angie (Karaoke Version, Instrumental Only, in the Style of the Rolling Stones)
Remember the Time (Karaoke Version With Teaching Vocal in the Style of Michael Jackson)
Remember the Time (Karaoke Version With Guide Melody in the Style of Michael Jackson)
Baby, I'm a Want You (Karaoke Version With Backup Vocals in the Style of Bread)
As Tears Go By (Karaoke Version With Teaching Vocal in the Style of the Rolling Stones)
As Tears Go By (Karaoke Version , Instrumental Only, in the Style of the Rolling Stones)
As Tears Go By (Karaoke Version With Guide Melody in the Style of the Rolling Stones)
Baby, I'm a Want You (Karaoke Version With Guide Melody in the Style of Bread)
Careless Whisper (Karaoke Version With Backup Vocals in the Style of Wham!)
Careless Whisper (Karaoke Version With Guide Melody in the Style of Wham!)
Carolina in My Mind (Karaoke Version With Backup Vocals in the Style of James Taylor)
Carolina in My Mind (Karaoke Version With Guide Melody in the Style of James Taylor)
Carolina in My Mind (Karaoke Version With Teaching Vocal in the Style of James Taylor)
Careless Whisper (Karaoke Version With Teaching Vocal in the Style of Wham!)
Baby, I'm a Want You (Karaoke Version With Teaching Vocal in the Style of Bread)
Getting Better (Karaoke Version With Teaching Vocal in the Style of the Beatles)
Horse With No Name (Karaoke Version With Backup Vocals in the Style of America)
Horse With No Name (Karaoke Version With Guide Melody in the Style of America)
Horse With No Name (Karaoke Version With Teaching Vocal in the Style of America)
Getting Better (Karaoke Version With Backup Vocals in the Style of the Beatles)
Getting Better (Karaoke Version With Guide Melody in the Style of the Beatles)
Listen to the Music (Karaoke Version With Backup Vocals in the Style of the Doobie Brothers)
Lay Down Sally (Karaoke Version With Backup Vocals in the Style of Eric Clapton)
Lay Down Sally (Karaoke Version With Teaching Vocal in the Style of Eric Clapton)
Listen to the Music (Karaoke Version With Teaching Vocal in the Style of the Doobie Brothers)
Old Fashioned Love Song (Karaoke Version With Guide Melody in the Style of Three Dog Night)
Listen to the Music (Karaoke Version With Guide Melody in the Style of the Doobie Brothers)
Lay Down Sally (Karaoke Version With Guide Melody in the Style of Eric Clapton)
It's Not Unusual (Karaoke Version With Guide Melody in the Style of Tom Jones)
It's Not Unusual (Karaoke Version With Teaching Vocal in the Style of Tom Jones)
Old Fashioned Love Song (Karaoke Version With Teaching Vocal in the Style of Three Dog Night)
Old Fashioned Love Song (Karaoke Version With Backup Vocals in the Style of Three Dog Night)
It's Not Unusual (Karaoke Version With Backup Vocals in the Style of Tom Jones)
Time of the Season (Karaoke Version With Backup Vocals in the Style of the Zombies)
Time of the Season (Karaoke Version With Teaching Vocal in the Style of the Zombies)
Tears in Heaven (Karaoke Version, Instrumental Only, in the Style of Eric Clapton)
Sister Golden Hair (Karaoke Version With Teaching Vocal in the Style of America)
Ruby Tuesday (Karaoke Version With Teaching Vocal in the Style of the Rolling Stones)
Sister Golden Hair (Karaoke Version With Backup Vocals in the Style of America)
Sister Golden Hair (Karaoke Version With Guide Melody in the Style of America)
Tears in Heaven (Karaoke Version With Guide Melody in the Style of Eric Clapton)
Rock This Town (Karaoke Version With Guide Melody in the Style of the Stray Cats)
Under My Thumb (Karaoke Version With Guide Melody in the Style of the Rolling Stones)
Tears in Heaven (Karaoke Version With Teaching Vocal in the Style of Eric Clapton)
Ruby Tuesday (Karaoke Version With Guide Melody in the Style of the Rolling Stones)
Under My Thumb (Karaoke Version, Instrumental Only, in the Style of the Rolling Stones)
Time of the Season (Karaoke Version With Guide Melody in the Style of the Zombies)
Ruby Tuesday (Karaoke Version With Backup Vocals in the Style of the Rolling Stones)
Rock This Town (Karaoke Version With Backup Vocals in the Style of the Stray Cats)
Rock This Town (Karaoke Version With Teaching Vocal in the Style of the Stray Cats)
Under My Thumb (Karaoke Version With Teaching Vocal in the Style of the Rolling Stones)
With a Little Help from My Friends (Karaoke Version With Backup Vocals in the Style of the Beatles)
This Masquerade (Karaoke Version With Guide Melody in the Style of George Benson)
This Guy's in Love With You (Karaoke Version With Guide Melody in the Style of Herb Alpert)
Another Saturday Night (Karaoke Version With Teaching Vocal in the Style of Sam Cooke)
Another Saturday Night (Karaoke Version With Guide Melody in the Style of Sam Cooke)
You Are so Beautiful (Karaoke Version With Teaching Vocal in the Style of Joe Cocker)
Another Saturday Night (Karaoke Version With Backup Vocals in the Style of Sam Cooke)
This Guy's in Love With You (Karaoke Version With Teaching Vocal in the Style of Herb Alpert)
This Guy's in Love With You (Karaoke Version With Backup Vocals in the Style of Herb Alpert)
This Masquerade (Karaoke Version, Instrumental Only, in the Style of George Benson)
You Are so Beautiful (Karaoke Version With Backup Vocals in the Style of Joe Cocker)
With a Little Help from My Friends (Karaoke Version With Teaching Vocal in the Style of the Beatles)
This Masquerade (Karaoke Version With Teaching Vocal in the Style of George Benson)
You Are so Beautiful (Karaoke Version With Guide Melody in the Style of Joe Cocker)
With a Little Help from My Friends (Karaoke Version With Guide Melody in the Style of the Beatles)
Haven't Met You yet (Karaoke Version in the Style of Michael Buble)
Rock With You (Karaoke Version With Guide Melody in the Style of Michael Jackson)
Sex On Fire (Karaoke Version With Guide Melody in the Style of Kings of Leon)
Working On a Dream (Karaoke Version With Guide Melody in the Style of Bruce Springsteen)
Working On a Dream (Karaoke Version With Teaching Vocal in the Style of Bruce Springsteen)
Home (Karaoke Version Originally Performed by Michael Buble)
Hey Soul Sister (Karaoke Version With Teaching Vocal in the Style of Train)
Hey Soul Sister (Karaoke Version With Guide Melody in the Style of Train)
Hey Soul Sister (Karaoke Version Instrumental Only, in the Style of Train)
Working On a Dream (Karaoke Version With Backup Vocals in the Style of Bruce Springsteen)
Home (Karaoke Version With Guide Melody Originally Performed by Michael Buble)
Home (Karaoke Version Originally Performed by Michael Buble)[Instrumental]
Sex On Fire (Karaoke Version With Teaching Vocal in the Style of Kings of Leon)
Sex On Fire (Karaoke Version With Backup Vocals in the Style of Kings of Leon)
Love Story (Karaoke Version With Backup Vocals in the Style of Taylor Swift)
Love Story (Karaoke Version With Guide Melody in the Style of Taylor Swift)
Love Story (Karaoke Version With Teaching Vocal in the Style of Taylor Swift)
Rock With You (Karaoke Version With Backup Vocals in the Style of Michael Jackson)
Rock With You (Karaoke Version With Teaching Vocal in the Style of Michael Jackson)
We Found Love (Karaoke Version With Teaching Vocal in the Style of Rihanna)
Born This Way (Karaoke Version With Backup Vocals in the Style of Lady Gaga)
We Found Love (Karaoke Version, Instrumental Only, in the Style of Rihanna)
Moves Like Jagger (Karaoke Version With Guide Melody in the Style of Maroon 5)
Born This Way (Karaoke Version With Guide Melody in the Style of Lady Gaga)
Born This Way (Karaoke Version With Teaching Vocal in the Style of Lady Gaga)
Moves Like Jagger (Karaoke Version With Backup Vocals in the Style of Maroon 5)
We Found Love (Karaoke Version With Guide Melody in the Style of Rihanna)
Moves Like Jagger (Karaoke Version With Teaching Vocal in the Style of Maroon 5)
California Gurls (Karaoke Version in the Style of Katy Perry)
Gangnam Style (Karaoke Version in the Style of Psy)
Jazz Standards Volume Two (Karaoke Versions of Classic Jazz Standards in the Style of Various Artists)
Jazz Standards Volume One (Karaoke Versions of Classic Jazz Standards in the Style of Various Artists)
Locked Out of Heaven (Karaoke Version in the Style of Bruno Mars)
When I Was Your Man (Karaoke Version in the Style of Bruno Mars)
Your Song (Karaoke Version in the Style of Elton John)
U Can't Touch This (Karaoke Version in the Style of MC Hammer)
People Got to Be Free (Karaoke Version in the Style of Various Artists)
Jazz Standards, Vol. Three: Karaoke Versions of Classic Jazz Standards in the Style of Various Artists
Christmas Carols, Vol. One (Karaoke Versions of Classic Christmas Carols)
Someone Like You (Karaoke Version in the Style of Adele)
What the World Needs Now (Karaoke Version in the Style of Various Artists)
Christmas Carols Volume Two (Karaoke Versions of Classic Christmas Carols in the Style of Various Artists)
Say Something (Karaoke Version) [In the Style of A Great Big World & Christina Aguilera]
Americana Collection Vol. One (Karaoke Versions of Classic Traditional Melodies)
Stay (Karaoke Version) [In the Style of Rihanna]
Americana Collection, Vol. Two (Karaoke Versions of Classic Traditional Melodies)
All of Me (Karaoke Version in the Style of John Legend)
Americana Collection, Vol. 3 (Karaoke Versions of Classic Traditional Melodies)
Americana Collection, Vol. 4 (Karaoke Versions of Classic Traditional Melodies)
Stay With Me (Karaoke Version in the Style of Sam Smith)
The Rose (Karaoke Version in the Style of Bette Midler)
Christmas Carols, Vol. 3 (Karaoke Versions of Classic Christmas Carols in the Style of Various Artists)
Christmas Carols, Vol. 4 (Karaoke Versions of Classic Christmas Carols [In the Style of Various Artists]
Hello (Karaoke Version In the Style of Adele)
You Got It (Karaoke Version) [In the Style of Roy Orbison]
Kid's Songs, Vol. 1 (Karaoke Versions of Favorite Children's Music)
Americana Collection, Vol. 5: Karaoke Versions of Classic Traditional Melodies