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 0x0820256b94e5e6348cb3e502656641fc68a3d59b0e62e1a1ba1bff39c7052d6f. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/46ec30d1-79d1-4239-b9d5-10cdbee27798.json and https://artists.proofprofile.net/proofs/artist/46ec30d1-79d1-4239-b9d5-10cdbee27798.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
The Way You Look Tonight (Karaoke Version) - Originally Performed By Frank Sinatra
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xc5a51b363a875fed25ae8802094c194b8143829ac8b09ec971e08eb69cfef769. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z80800590 — a six-check JSON result.
Night and Day (Karaoke Version) [Originally Performed By Frank Sinatra]
I Wish You Love (Karaoke Version) [Originally Performed By Rod Stewart]
I'll Be Seeing You (Karaoke Version) [Originally Performed By Frank Sinatra]
I'm in the Mood for Love (Karaoke Version) [Originally Performed By Rod Stewart]
I've Got to See You Again (Karaoke Version) [Originally Performed By Norah Jones]
They Can't Take That Away From Me (Karaoke Version) [Originally Performed By Frank Sinatra]
Try a Little Tenderness (Karaoke Version) [Originally Performed By Michael Bublé]
What a Difference a Day Made (Karaoke Version) [Originally Performed By Jamie Cullum]
What a Wonderful World (Karaoke Version) [Originally Performed By Rod Stewart With Stevie Wonder]
You Are the Sunshine of My Life (Karaoke Version) [Originally Performed By Frank Sinatra]
L.O.V.E. (Karaoke Version) [Originally Performed By Michael Bublé]
Let's Face the Music and Dance (Karaoke Version) [Originally Performed By Frank Sinatra]
Long Ago and Far Away (Karaoke Version) [Originally Performed By Rod Stewart]
Mack the Knife (Karaoke Version) [Originally Performed By Michael Bublé]
Moondance (Karaoke Version) [Originally Performed By Michael Bublé]
Moonlight Becomes You (Karaoke Version) [Originally Performed By Frank Sinatra]
My Baby Just Cares for Me (Karaoke Version) [Originally Performed By Frank Sinatra]
My Funny Valentine (Karaoke Version) [Originally Performed By Rod Stewart]
Nancy (With the Laughing Face) [Originally Performed By Frank Sinatra]
Nevertheless (Karaoke Version) [Originally Performed By Rod Stewart]
Nice 'N Easy (Karaoke Version) [Originally Performed By Michael Bublé]
On the Sunny Side of the Street (Karaoke Version) [Originally Performed By Frank Sinatra]
Please Be Kind (Karaoke Version) [Originally Performed By Frank Sinatra]
Smile (Karaoke Version) [Originally Performed By Michael Bublé]
Someone to Watch Over Me (Karaoke Version) [Originally Performed By Sting]
Stardust (Karaoke Version) [Originally Performed By Rod Stewart]
Summer Wind (Karaoke Version) [Originally Performed By Michael Bublé]
The More I See You (Karaoke Version) [Originally Performed By Michael Bublé]
The Way You Look Tonight (Karaoke Version) [Originally Performed By Michael Bublé]
The Way You Look Tonight (Karaoke Version) [Originally Performed By Rod Stewart]
(Up A) Lazy River (Karaoke Version) [Originally Performed By Michael Bublé]
A Foggy Day (In London Town) [Karaoke Version] [Originally Performed By Michael Bublé]
All of Me (Karaoke Version) [Originally Performed By Michael Bublé]
As Time Goes By (Karaoke Version) [Originally Performed By Rod Stewart With Queen Latifah]
At This Moment (Karaoke Version) [Originally Performed By Michael Bublé]
Best of Me (Karaoke Version) [Originally Performed By Michael Bublé]
Beyond the Sea (Karaoke Version) [Originally Performed By Robbie Williams]
Blue Skies (Karaoke Version) [Originally Performed By Rod Stewart]
Brazil (Karaoke Version) [Originally Performed By Frank Sinatra]
But Not for Me (Karaoke Version) [Originally Performed By Rod Stewart]
Can't Buy Me Love (Karaoke Version) [Originally Performed By Michael Bublé]
Come Away With Me (Karaoke Version) [Originally Performed By Norah Jones]
Come Rain or Come Shine (Karaoke Version) [Originally Performed By Frank Sinatra]
Feeling Good (Karaoke Version) [Originally Performed By Michael Bublé]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e0c9f0793fcc47e947f9188615155ce57b33b44f1d181e0f615636923f425a4. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z80802752 — a six-check JSON result.
Fever (Karaoke Version) [Originally Performed By Michael Bublé]
Fly Me to the Moon (Karoake Version) [Originally Performed By Frank Sinatra]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccd8fd9983ec2b5b67fc22102b239a73c601bb867761f1e6861ea1566a8afcc6. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z80700705 — a six-check JSON result.
For Once in My Life (Karaoke Version) [Originally Performed By Michael Bublé]
Frontin' (Karaoke Version) [Originally Performed By Jamie Cullum)
Good Morning Heartache (Karaoke Version) [Originally Performed By Gretchen Wilson]
Heaven (Karaoke Version) [Originally Performed By Paul Anka]
Have You Met Miss Jones (Karaoke Version) [Originally Performed By Tony Bennett]
Harbor Lights (Karaoke Version) [Originally Performed By Dinah Washington]
Fly Me to the Moon (Karaoke Version) [Originally Performed By Diana Krall]
Every Time We Say Goodbye (Karaoke Version) [Originally Performed By Ella Fitzgerald]
East of the Sun (West Of The Moon) [Karaoke Version] [Originally Performed By Diana Krall]
Cry Me a River (Karaoke Version) [Originally Performed By Barbra Streisand]
But Not for Me (Karaoke Version) [Originally Performed By Dinah Washington]
Boogie Woogie Bugle Boy (Karaoke Version) [Originally Performed By Bette Midler]
Body and Soul (Karaoke Version) [Originally Performed By Diana Krall]
Crazy (Karaoke Version) [Originally Performed By Patsy Cline]
Zoot Suit Riot (Karaoke Version) [Originally Performed By Cherry Poppin' Daddies]
You're Nobody Till Somebody Loves You (Karaoke Version) [Originally Performed By Dean Martin]
You're Getting to Be a Habit With Me (Karaoke Version) [Originally Performed By Diana Krall]
You Belong to Me (Karaoke Version) [Originally Performed By Dean Martin]
Unforgettable (Karaoke Version) [Originally Performed By Nat King Cole]
Time After Time (Karaoke Version) [Originally Performed By Paul Anka]
This Can't Be Love (Karaoke Version) [Originally Performed By Ella Fitzgerald]
The Shadow of Your Smile (Karaoke Version) [Originally Performed By Tony Bennett]
The Man I Love (Karaoke Version) [Originally Performed By Ella Fitzgerald]
The Good Life (Karaoke Version) [Originally Performed By Tony Bennett]
The Ding Dong Daddy of the D-Car Line (Karaoke Version) [Originally Performed By Cherry Poppin' Daddies]
The Curtain Falls (Karaoke Version) [Originally Performed By Bobby Darin]
The Boy from Ipanema (Karaoke Version) [Originally Performed By Diana Krall]
The Birth of the Blues (Karaoke Version) [Originally Performed By Sammy Davis Jr.]
The Best Is Yet to Come (Karaoke Version) [Originally Performed By Tony Bennett]
The Best Is Yet to Come (Karaoke Version) [Originally Performed By Nancy Wilson]
Sweet Lorraine (Karaoke Version) [Originally Performed By Nat King Cole]
Summertime (Live Berlin) [Karaoke Version] [Originally Performed By Ella Fitzgerald]
Straighten Up and Fly Right (Karaoke Version) [Originally Performed By Nat King Cole]
Straighten Up and Fly Right (Karaoke Version) [Originally Performed By Diana Krall]
Somewhere There's a Someone (Karaoke Version) [Originally Performed By Dean Martin]
Someone to Watch Over Me (Karaoke Version) [Originally Performed By Ella Fitzgerald]
Some of These Days (Karaoke Version) [Originally Performed By Bobby Darin]
So Rare (Karaoke Version) [Originally Performed By Patti Page]
Smile (Karaoke Version) [Originally Performed By Natalie Cole]
Smells Like Teen Spirit (Karaoke Version) [Originally Performed By Paul Anka]
Sisters (Karaoke Version) [Originally Performed By Rosemary Clooney With Betty Clooney]
Route 66 (Karaoke Version) [Originally Performed By Natalie Cole]
Rock This Town (Karaoke Version) [Originally Performed By The Brian Setzer Orchestra]
Ramblin' Rose (Karaoke Version) [Originally Performed By Nat King Cole]
Rags to Riches (Version Karaoke) [Originally Performed By Tony Bennett]
Quiet Nights (Karaoke Version) [Originally Performed By Diana Krall]
Put a Lid On It (Karaoke Version) [Originally Performed By Squirrel Nut Zippers]
Popsicle Toes (Karaoke Version) [Originally Performed By Diana Krall]
Orange Colored Sky (Karaoke Version) [Originally Performed By Natalie Cole]
Nature Boy (Karaoke Version) [originally Performed By Nat King Cole]
Mona Lisa (Karaoke Version) [Originally Performed By Nat King Cole]
Misty (Karaoke Version) [Originally Performed By Ella Fitzgerald]
Make Someone Happy (Karaoke Version) [Originally Performed By Perry Como]
Mad About the Boy (Karaoke Version) [Originally Performed By Dinah Washington]
Mack the Knife (Karaoke Version) [Originally Performed By Bobby Darin]
Love Me or Leave Me (Karaoke Version) [Originally Performed By Lena Horne]
Let's Face the Music and Dance (Karaoke Version) [Originally Performed By Diana Krall]
Let's Do It (Let's Fall in Love) [Karaoke Version] [Originally Performed By Ella Fitzgerald]
La vie en rose (Karaoke Version) [Originally Performed By Louis Armstrong]
L-O-V-E (Karaoke Version) [Originally Performed By Natalie Cole]
L-O-V-E (Karaoke Version) [Originally Performed By Nat King Cole]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172650e6b0f4d78329e9d85f272304aa746dc24e4617c35b5686cbc403dcdec0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z80801114 — a six-check JSON result.
Just a Gigolo / I Ain't Got Nobody (Karaoke Version) [Originally Performed By Louis Prima]
Jump (Karaoke Version) [Originally Performed By Paul Anka]
It's a Sin (Karaoke Version) [Originally Performed By Paul Anka]
It's Only a Paper Moon (Karaoke Version) [Originally Performed By Nat King Cole]
It's All Right With Me (Karaoke Version) [Originally Performed By Ella Fitzgerald]
It Had to Be You (Karaoke Version) [Originally Performed By Tony Bennett]
Imagination (Karaoke Version) [Originally Performed By Dean Martin]
I've Got a Right (Karaoke Version) [Originally Performed By Oleta Adams]
I've Got a Crush On You (Karaoke Version) [Originally Performed By Linda Ronstadt]
I've Got You Under My Skin (Karaoke Version) [Originally Performed By Diana Krall]
I've Got My Love to Keep Me Warm (Karaoke Version) [Originally Performed By Dean Martin]
I'm an Errand Girl for Rhythm (Karaoke Version) [Originally Performed By Diana Krall]
I'm a Fool to Want You (Karaoke Version) [Originally Performed By Billie Holiday]
I Only Have Eyes for You (Karaoke Version) [Originally Performed By Ella Fitzgerald]
I Hear Music (Karaoke Version) [Originally Performed By Billie Holiday]
I Got Rhythm (Karaoke Version) [Originally Performed By Bobby Darin]
I Can't Give You Anything But Love (Karaoke Version) [Originally Performed By Diana Krall]
How Insensitive (Karaoke Version) [Originally Performed By Diana Krall]
How Do You Keep the Music Playing? (Karaoke Version) [Originally Performed By Tony Bennett]
Hello Young Lovers (Karaoke Version) [Originally Performed By Bobby Darin]
Bandstand Boogie (American Bandstand) [Karaoke Version] [Originally Performed By Barry Manilow]
Ballerina (Karaoke Version) [Originally Performed By Nat King Cole]
Autumn Leaves (Karaoke Version) [Originally Performed By Nat King Cole]
As Time Goes By (Karaoke Version) [Originally Performed By Tony Bennett]
As Long as I'm Singing (Karaoke Version) [Originally Performed By Bobby Darin]
Almost Like Being in Love (Karaoke Version) [Originally Performed By Natalie Cole]
All That Jazz (Karaoke Version) [Originally Performed By Ella Fitzgerald]
Ain't That a Kick in the Head (Karaoke Version) [Originally Performed By Dean Martin]
Ain't Nobody's Business (Karaoke Version) [Originally Performed By Billie Holiday]
A-Tisket, a-Tasket (Karaoke Version) [Originally Performed By Ella Fitzgerald]
A Nightingale Sang in Berkeley Square (Karaoke Version) [Originally Performed By Bobby Darin]
(It's Only a) Paper Moon [Karaoke Version] [Originally Performed By Natalie Cole]
(I Love You) for Sentimental Reasons [Karaoke Version] [Originally Performed By Nat King Cole]
'S Wonderful (Karaoke Version) [Originally Performed By Diana Krall]
'Round Midnight (Karaoke Version) [Originally Performed By Ella Fitzgerald]
Don't Fence Me in (Karaoke Version) [Originally Performed By Bing Crosby with The Andrews Sisters]
Fever (Karaoke Version) [Originally Performed By Peggy Lee]
Fool That I Am (Karaoke Version) [Originally Performed By Etta James]
God Bless the Child (Karaoke Version) [Originally Performed By Billie Holiday]
That Man (Karaoke Version) [Originally Performed By Caro Emerald]
That's My Desire (Karaoke Version) [Originally Performed By Frankie Laine]
The Girl in 14-G (Karaoke Version) [Originally Performed By Kristin Chenoweth]
The Lady Is a Tramp (Karaoke Version) [Originally Performed By Shirley Bassey]
The Woodpecker Song (Karaoke Version) [Originally Performed By The Andrews Sisters]
They All Laughed (Karaoke Version) [Originally Performed By 1950s Standards]
This Masquerade (Karaoke Version) [Originally Performed By George Benson]
Volare (Karaoke Version) [Originally Performed By Bobby Rydell]
Why Don't You Do Right? (Karaoke Version) [Originally Performed By Peggy Lee]
Chattanooga Choo Choo (Karaoke Version) [Originally Performed By Glenn Miller]
Crazy (Karaoke Version) [Originally Performed By Michele Anastasio]
Cry Me a River (Karaoke Version) [Originally Performed By Julie London]
Fever (Karaoke Version) [Originally Performed By Eva Cassidy]
Lullaby of Broadway (Karaoke Version) [Originally Performed By Doris Day]
Lullaby of Broadway (Karaoke Version) [Originally Performed By The Andrews Sisters]
Golden Earrings (Karaoke Version) [Originally Performed By Peggy Lee]
Hit the Road Jack (Karaoke Version) [Originally Performed By Shirley Horn]
How Long Has This Been Going On (Karaoke Version) [Originally Performed By Peggy Lee]
I Can't Give You Anything But Love (Karaoke Version) [Originally performed by Judy Garland]
I Got a Right to Sing the Blues (Karaoke Version) (Originally Performed By Billy Eckstine)
I'm Through With Love (Karaoke Version) [Originally Performed By Jane Monheit]
I'm Walking Behind You (Karaoke Version) [Originally Performed By Eddie Fisher]
If (Karaoke Version) [Originally Performed By Jane Monheit]
Is That All There Is ? (Karaoke Version) [Originally Performed By Peggy Lee]
It Don't Mean a Thing (If It Ain't Got That Swing) [Karaoke Version] [Originally Performed By Eva Cassidy]
It Had to Be You (Karaoke Version) [Originally Performed By Betty Hutton]
Johnny Guitar (Karaoke Version) [Originally Performed By Peggy Lee]
Kid Charlemagne (Karaoke Version) [Originally Performed By Steely Dan]
Love Me or Leave Me (Karaoke Version) [Originally Performed By Nina Simone]
Minnie the Moocher (Karaoke Version) [Originally Performed By The Blues Brothers]
My Foolish Heart (Karaoke Version) [Originally Performed By Billy Eckstine)
My Foolish Heart (Karaoke Version) [Originally Performed By Jane Monheit]
My Heart Belongs to Daddy (Karaoke Version) [Originally Performed By Peggy Lee]
My Mammy (Karaoke Version) [Originally Performed By Al Jolson]
Nah Neh Nah (Karaoke Version) [Originally Performed By Vaya Con Dios]
Ole Buttermilk Sky (Karaoke Version) [Originally Performed By Hoagy Carmichael]
On the Sunny Side of the Street (Karaoke Version) [Originally Performed By Frankie Laine]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ac52e85ccb53592c11c0332b891ddefc762e613f89f1b3d4bcee15a5cbd8537. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR3Z80800575 — a six-check JSON result.
Over the Rainbow (Karaoke Version) [Originally Performed By Jane Monheit]
Prisoner of Love (Karaoke Version) [Originally Performed By Billy Eckstine]
Sentimental Journey (Karaoke Version) [Originally Performed By Doris Day]
Something's Gotta Give (Karaoke Version) [Originally Performed By 1950s Standards]
Spain (I Can Recall) [Karaoke Version] [Originally Performed By Al Jarreau]
Stormy Weather (Keeps Rainin' All the Time) [Karaoke Version] [Originally Performed By Etta James]
Summertime (Karaoke Version) [Originally Performed By Leona Lewis]
Sunday Kind of Love (Karaoke Version) [Originally Performed By Billy Eckstine]
Tea for Two (Karaoke Version) [Originally Performed By Doris Day]
That Lucky Old Sun (Karaoke Version) [Originally Performed By Frankie Laine)
I Put a Spell On You (Karaoke Version) [Originally Performed By Nina Simone]
'S Wonderful (From An American in Paris Movie Soundtrack) [Karaoke Version] [Originally Performed By Gene Kelly]
A Fine Romance (Karaoke Version) [Originally Performed By Johnny Mercer with Martha Tilton)
A Sunday Kind of Love (Karaoke Version) [Originally Performed By Etta James]
Ain't No Sunshine (Karaoke Version) [Originally Performed By Eva Cassidy]
Alexander's Ragtime Band (Karaoke Version) [Originally Performed By The Andrews Sisters]
Baby I'm a Fool (Karaoke Version) [Originally Performed By Melody Gardot]
Beer Barrel Polka (Karaoke Version) [Originally Performed By The Andrews Sisters]
Big Spender (Karaoke Version) [Originally Performed By Peggy Lee]
Blue Moon (Karaoke Version) [Originally Performed By Mel Tormé]
Blue Skies (Karaoke Version) [Originally Performed By Eva Cassidy]
Don't Get Around Much Anymore (Karaoke Version) [Originally Performed By Michael Bublé]
Kissing a Fool (Version Version) [Originally Performed By Michael Bublé]