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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84560f0a6ab3722ee3854196ff3de76d289458e08dd9be5f0113da649adc59ce. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9c12ccc8-f649-481f-9998-37fa3b49a29a.json and https://artists.proofprofile.net/proofs/artist/9c12ccc8-f649-481f-9998-37fa3b49a29a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
When you're good to Mama ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
We've Only Just Begun ('The Carpenters' Piano Accompaniment) [Professional Karaoke Backing Track]
The Kite ('You're a Good Man Charlie Brown' Piano Accompaniment) [Professional Karaoke Backing Track]
Rolling in the Deep ('Adele' Piano Accompaniment) [Professional Karaoke Backing Track]
On the Steps of the Palace ('Into the Woods' Piano Accompaniment) [Professional Karaoke Backing Track]
On My Own ('Les Miserables' Piano Accompaniment) [Professional Karaoke Backing Track]
If I Sing ('Closer Than Ever' Piano Accompaniment) [Professional Karaoke Backing Track]
Gorgeous ('The Apple Tree' Piano Accompaniment) [Professional Karaoke Backing Track]
Everybody Loves Louis ('Sunday in the Park With George' Piano Accompaniment) [Professional Karaoke Backing Track]
Easy to Be Hard ('Hair' Piano Accompaniment) [Professional Karaoke Backing Track]
I Dreamed a Dream ('Les Miserables' Piano Accompaniment) [Professional Karaoke Backing Track]
I Could Have Danced All Night ('My Fair Lady' Piano Accompaniment) [Professional Karaoke Backing Track]
Have I Told You Lately ('Van Morrison & Rod Stewart' Piano Accompaniment) [Professional Karaoke Backing Track]
Handbags & Gladrags ('stereophonics' Piano Accompaniment) [Professional Karaoke Backing Track]
Climb Every Mountain ('The Sound of Music' Piano Accompaniment) [Professional Karaoke Backing Track]
Chim Chim Cheree ('Marry Poppins' Piano Accompaniment) [Professional Karaoke Backing Track]
All of Me ('John Legend' Piano Accompaniment) [Professional Karaoke Backing Track]
Your Song ('Elton John' Piano Accompaniment) [Professional Karaoke Backing Track]
What More Can I Say ('Falsettos (Aka Falsettoland)' Piano Accompaniment) [Professional Karaoke Backing Track]
Summertime ('Porgy and Bess' Piano Accompaniment) [Professional Karaoke Backing Track]
Stars ('Les Miserables' Piano Accompaniment) [Professional Karaoke Backing Track]
One More Kiss ('Follies' Piano Accompaniment) [Professional Karaoke Backing Track]
Much More ('The Fantasticks' Piano Accompaniment) [Professional Karaoke Backing Track]
Marian the Librarian ('The Music Man' Piano Accompaniment) [Professional Karaoke Backing Track]
Funny ('City of Angels' Piano Accompaniment) [Professional Karaoke Backing Track]
Dance Ten Looks Three ('A Chorus Line' Piano Accompaniment) [Professional Karaoke Backing Track]
Children of the Wind ('Rags' Piano Accompaniment) [Professional Karaoke Backing Track]
Barrett's Song ('Titanic' Piano Accompaniment) [Professional Karaoke Backing Track]
Without You ('My Fair Lady' Piano Accompaniment) [Professional Karaoke Backing Track]
Welcome to My World ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Some Enchanted Evening ('south Pacific' Piano Accompaniment) [Professional Karaoke Backing Track]
Perfect Day ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Over the Rainbow ('The Wizard of Oz' Piano Accompaniment) [Professional Karaoke Backing Track]
My Body ('The Life' Piano Accompaniment) [Professional Karaoke Backing Track]
Look At Me, I'm Sandra Dee ('Grease' Piano Accompaniment) [Professional Karaoke Backing Track]
Joy Is in the Child ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
It's Allright With Me ('Can Can' Piano Accompaniment) [Professional Karaoke Backing Track]
If Ever I Would Leave You ('Camelot' Piano Accompaniment) [Professional Karaoke Backing Track]
Don't Dream It's Over ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
I Don't Know How to Love Him ('Jesus Christ Superstar' Piano Accompaniment) [Professional Karaoke Backing Track]
Hero ('Mariah Carey' Piano Accompaniment) [Professional Karaoke Backing Track]
Does the Moment Ever Come ('Just So' Piano Accompaniment) [Professional Karaoke Backing Track]
As Long as You're Mine ('Wicked' Piano Accompaniment) [Professional Karaoke Backing Track]
Always True to You In My Fashion ('Kiss Me Kate' Piano Accompaniment) [Professional Karaoke Backing Track]
Wild Horses ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Papa, Can You Here Me? ('Barbra Streisand' Piano Accompaniment) [Professional Karaoke Backing Track]
If I Can'T Love Her ('Beauty and the Beast' Piano Accompaniment) [Professional Karaoke Backing Track]
Good Thing Going ('Merrily We Roll Along' Piano Accompaniment) [Professional Karaoke Backing Track]
Get Lucky ('Daft Punk & Pharrell Williams & Nile Rodgers' Piano Accompaniment) [Professional Karaoke Backing Track]
Evergreen ('A Star Is Born' Piano Accompaniment) [Professional Karaoke Backing Track]
Eternal Flame ('The Bangles' Piano Accompaniment) [Professional Karaoke Backing Track]
I'm Not That Girl ('Wicked' Piano Accompaniment) [Professional Karaoke Backing Track]
Do Not Be Afraid ('Christian Hymn' Piano Accompaniment) [Professional Karaoke Backing Track]
Blame It On the Summer Night ('Rags' Piano Accompaniment) [Professional Karaoke Backing Track]
Any Dream Will Do ('Joseph & the Amazing Technicolour Dreamcoat' Piano Accompaniment) [Professional Karaoke Backing Track]
I Feel Pretty ('West Side Story' Piano Accompaniment) [Professional Karaoke Backing Track]
Winter's On the Wing ('secret Garden' Piano Accompaniment) [Professional Karaoke Backing Track]
Tonight At Eight ('She Loves Me' Piano Accompaniment) [Professional Karaoke Backing Track]
The Nicest Kids In Town ('Hairspray' Piano Accompaniment) [Professional Karaoke Backing Track]
The Man That Got Away ('A Star Is Born' Piano Accompaniment) [Professional Karaoke Backing Track]
Sunrise Sunset Em ('Fidler On the Roof' Piano Accompaniment) [Professional Karaoke Backing Track]
Someone Like You ('Jekyll and Hyde' Piano Accompaniment) [Professional Karaoke Backing Track]
Sixteen Going On Seventeen (With Refrain) [The Sound of Music' Piano Accompaniment] [Professional Karaoke Backing Track])
Secret Love ('Doris Day' Piano Accompaniment) [Professional Karaoke Backing Track]
Scarlet Ribbons ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Right as the Rain ('Bloomer Girl' Piano Accompaniment) [Professional Karaoke Backing Track]
One Moment In Time ('Whitney Houston' Piano Accompaniment) [Professional Karaoke Backing Track]
I'm Still Standing ('Elton John' Piano Accompaniment) [Professional Karaoke Backing Track]
I Can Hear the Bells ('Hairspray' Piano Accompaniment) [Professional Karaoke Backing Track]
Where Is Love ('Oliver' Piano Accompaniment) [Professional Karaoke Backing Track]
What Good Would the Moon Be ('street Scene' Piano Accompaniment) [Professional Karaoke Backing Track]
Wait a Bit ('Just So' Piano Accompaniment) [Professional Karaoke Backing Track]
Special ('Avenue Q' Piano Accompaniment) [Professional Karaoke Backing Track]
Razzle Dazzle ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
My Lord and Master ('The King and I' Piano Accompaniment) [Professional Karaoke Backing Track]
I Hate Men ('Kiss Me Kate' Piano Accompaniment) [Professional Karaoke Backing Track]
Don't Cry for Me Argentina ('Evita' Piano Accompaniment) [Professional Karaoke Backing Track]
Close Every Door ('Joseph & the Amazing Technicolour Dreamcoat' Piano Accompaniment) [Professional Karaoke Backing Track]
Always a Bridesmaid ('I Love You, You're Perfect, Now Change' Piano Accompaniment) [Professional Karaoke Backing Track]
Secret Love Db ('Doris Day' Piano Accompaniment) [Professional Karaoke Backing Track]
Out of My Dreams ('Oklahoma' Piano Accompaniment) [Professional Karaoke Backing Track]
Green Finch and Linnet Bird ('sweeney Todd' Piano Accompaniment) [Professional Karaoke Backing Track]
I Want to Get Off-What Kind of Fool Am I ('stop the World' Piano Accompaniment) [Professional Karaoke Backing Track]
Happy to Keep His Dinner Warm ('How to Succeed In Business' Piano Accompaniment) [Professional Karaoke Backing Track]
Beyond My Wildest Dreams ('The Little Mermaid' Piano Accompaniment) [Professional Karaoke Backing Track]
Another Suitcase In Another Hall ('Evita' Piano Accompaniment) [Professional Karaoke Backing Track]
Where Is the Life That Late I Led ('Kiss Me Kate' Piano Accompaniment) [Professional Karaoke Backing Track]
She's Always a Woman ('Billy Joel' Piano Accompaniment) [Professional Karaoke Backing Track]
Pie Jesu ('Gabriel Faure' Piano Accompaniment) [Professional Karaoke Backing Track]
Out There ('Hunchback of Notre Dame' Piano Accompaniment) [Professional Karaoke Backing Track]
Johnny One Note ('Babes In Arms' Piano Accompaniment) [Professional Karaoke Backing Track]
If I Were a Bell ('Guys and Dolls' Piano Accompaniment) [Professional Karaoke Backing Track]
I Won't Send Roses ('Mack and Mabel' Piano Accompaniment) [Professional Karaoke Backing Track]
Disneyland ('smile' Piano Accompaniment) [Professional Karaoke Backing Track]
Can't Remember to Forget You ('shakira & Rihanna' Piano Accompaniment) [Professional Karaoke Backing Track]
Quiet ('Matilda' Piano Accompaniment) [Professional Karaoke Backing Track]
You're the Best Thing That Ever Happened to Me ('Gladys Knight & the Pips' Piano Accompaniment) [Professional Karaoke Backing Track]
Try Me ('she Loves Me' Piano Accompaniment) [Professional Karaoke Backing Track]
Take a Chance On Me ('Little Women' Piano Accompaniment) [Professional Karaoke Backing Track]
Supercalifragilisticexpialidocious ('Marry Poppins' Piano Accompaniment) [Professional Karaoke Backing Track]
Stay ('Rihanna' Piano Accompaniment) [Professional Karaoke Backing Track]
Something's Coming ('West Side Story' Piano Accompaniment) [Professional Karaoke Backing Track]
Sixteen Going On Seventeen ('The Sound of Music' Piano Accompaniment) [Professional Karaoke Backing Track]
Say Something ('A Great Big World & Christina Aguilera' Piano Accompaniment) [Professional Karaoke Backing Track]
Promise Me ('Beverley Craven' Piano Accompaniment) [Professional Karaoke Backing Track]
Greased Lightning ('Grease' Piano Accompaniment) [Professional Karaoke Backing Track]
Empty Chairs At Empty Tables ('Les Miserables' Piano Accompaniment) [Professional Karaoke Backing Track]
I Can't Give You Anything but Love G ('Ain't Misbehavin'' Piano Accompaniment) [Professional Karaoke Backing Track]
Crying for No Reason ('Katy B' Piano Accompaniment) [Professional Karaoke Backing Track]
Crazy ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Castle On a Cloud ('Les Miserables' Piano Accompaniment) [Professional Karaoke Backing Track]
The Light in the Piazza ('Light in the Piazza' Piano Accompaniment) [Professional Karaoke Backing Track]
Roxie ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
Piece of the Action ('The Life' Piano Accompaniment) [Professional Karaoke Backing Track]
Miracle of Miracles ('Fiddler On the Roof' Piano Accompaniment) [Professional Karaoke Backing Track]
Mama Who Bore Me ('spring Awakening' Piano Accompaniment) [Professional Karaoke Backing Track]
If I Ain't Got You ('Alicia Keys' Piano Accompaniment) [Professional Karaoke Backing Track]
Good Morning Baltimore ('Hairspray' Piano Accompaniment) [Professional Karaoke Backing Track]
Glitter and Be Gay ('Candide' Piano Accompaniment) [Professional Karaoke Backing Track]
Edelweiss ('The Sound of Music' Piano Accompaniment) [Professional Karaoke Backing Track]
Hometown Glory ('Adele' Piano Accompaniment) [Professional Karaoke Backing Track]
Guido's Song ('Nine' Piano Accompaniment) [Professional Karaoke Backing Track]
Wishing You Were Somehow Here Again ('Phantom of the Opera' Piano Accompaniment) [Professional Karaoke Backing Track]
The Sound of Music ('The Sound of Music' Piano Accompaniment) [Professional Karaoke Backing Track]
Sunrise Sunset ('Fidler On the Roof' Piano Accompaniment) [Professional Karaoke Backing Track]
Shy ('Once Upon a Mattress' Piano Accompaniment) [Professional Karaoke Backing Track]
Naughty ('Matilda' Piano Accompaniment) [Professional Karaoke Backing Track]
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5528cb287ceb00a8a747da2c7413aab91b2db272606427518af2230f343329a7. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJSS1415363.
Lonely House ('street Scene' Piano Accompaniment) [Professional Karaoke Backing Track]
Daydream Believer ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Can You Feel the Love Tonight ('Lion King & Elton John' Piano Accompaniment) [Professional Karaoke Backing Track]
At Seventeen 120bpm ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
All That Jazz ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
Another Winter In a Summer Town ('Grey Gardens' Piano Accompaniment) [Professional Karaoke Backing Track]
Warmup Exercises Number 1 ('Penny' Piano Accompaniment) [Professional Karaoke Backing Track]
Take That Look Off Your Face ('Tell Me On a Sunday' Piano Accompaniment) [Professional Karaoke Backing Track]
Proud Lady ('The Bakers Wife' Piano Accompaniment) [Professional Karaoke Backing Track]
Popular ('Wicked' Piano Accompaniment) [Professional Karaoke Backing Track]
Nobody Does It Better ('The Spy Who Loved Me' Piano Accompaniment) [Professional Karaoke Backing Track]
Memory ('Cats' Piano Accompaniment) [Professional Karaoke Backing Track]
Love I Hear ('Forum' Piano Accompaniment) [Professional Karaoke Backing Track]
Get Here ('Oleta Adams' Piano Accompaniment) [Professional Karaoke Backing Track]
Funny Honey ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
All I Care About ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
Before I Gaze At You Again ('Camelot' Piano Accompaniment) [Professional Karaoke Backing Track]
Baubles Bangles and Beads ('Kismet' Piano Accompaniment) [Professional Karaoke Backing Track]
At Seventeen ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Another Night At Darryl's ('The Witches of Eastwick' Piano Accompaniment) [Professional Karaoke Backing Track]
Angels ('Robbie Williams' Piano Accompaniment) [Professional Karaoke Backing Track]
With You ('Ghost' Piano Accompaniment) [Professional Karaoke Backing Track]
We'll Gather Lilacs ('Perchance to Dream' Piano Accompaniment) [Professional Karaoke Backing Track]
Three Times a Lady ('Lionel Richie' Piano Accompaniment) [Professional Karaoke Backing Track]
Nowadays Hot Honey Rag ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
Matchmaker ('Fiddler On the Roof' Piano Accompaniment) [Professional Karaoke Backing Track]
If You Don't Know Me By Now ('simply Red' Piano Accompaniment) [Professional Karaoke Backing Track]
Funeral Tango ('Jacques Brel Is Alive and Well and Living In Paris' Piano Accompaniment) [Professional Karaoke Backing Track]
I'm Not At All In Love ('Pyjama Game' Piano Accompaniment) [Professional Karaoke Backing Track]
Have I Told You Lately (Short Intro) [Van Morrison & Rod Stewart' Piano Accompaniment] [Professional Karaoke Backing Track])
Younger Than Springtime ('south Pacific' Piano Accompaniment) [Professional Karaoke Backing Track]
You Make Me Feel Brand New ('The Stylistics & Simply Red' Piano Accompaniment) [Professional Karaoke Backing Track]
When You Tell Me That You Love Me ('Diana Ross & Westlife' Piano Accompaniment) [Professional Karaoke Backing Track]
Warm-up Exercise No. 2 ('Andy's Vocal Warm-up' Piano Accompaniment) [Professional Karaoke Backing Track]
Tell Me On a Sunday ('Tell Me On a Sunday' Piano Accompaniment) [Professional Karaoke Backing Track]
Sit Down You're Rocking the Boat ('Guys and Dolls' Piano Accompaniment) [Professional Karaoke Backing Track]
Saving All My Love for You ('Whitney Houston' Piano Accompaniment) [Professional Karaoke Backing Track]
Rumour Has It ('Adele' Piano Accompaniment) [Professional Karaoke Backing Track]
Pity the Child ('Chess' Piano Accompaniment) [Professional Karaoke Backing Track]
Once You Lose Your Heart ('Me and My Girl' Piano Accompaniment) [Professional Karaoke Backing Track]
Nobody Does It Better G ('The Spy Who Loved Me' Piano Accompaniment) [Professional Karaoke Backing Track]
Make Them Hear You ('Ragtime' Piano Accompaniment) [Professional Karaoke Backing Track]
Mad Dogs and Englishmen ('Words and Music' Piano Accompaniment) [Professional Karaoke Backing Track]
Giants in the Sky ('Into the Woods' Piano Accompaniment) [Professional Karaoke Backing Track]
Bring Him Home ('Les Miserables' Piano Accompaniment) [Professional Karaoke Backing Track]
A Call from the Vatican ('Nine' Piano Accompaniment) [Professional Karaoke Backing Track]
Being Alive ('Company' Piano Accompaniment) [Professional Karaoke Backing Track]
Behold the Man ('Jimmy Owens' Piano Accompaniment) [Professional Karaoke Backing Track]
Your Daddy's Son ('Ragtime' Piano Accompaniment) [Professional Karaoke Backing Track]
Where Is the Warmth ('The Baker's Wife' Piano Accompaniment) [Professional Karaoke Backing Track]
When I Grow Up ('Matilda' Piano Accompaniment) [Professional Karaoke Backing Track]
What a Wonderful World ('Louis Armstrong' Piano Accompaniment) [Professional Karaoke Backing Track]
Tomorrow ('Annie' Piano Accompaniment) [Professional Karaoke Backing Track]
The a Team ('Ed Sheeran' Piano Accompaniment) [Professional Karaoke Backing Track]
The Wind Beneath My Wings ('Bette Midler' Piano Accompaniment) [Professional Karaoke Backing Track]
Someone Like You ('Adele' Piano Accompaniment) [Professional Karaoke Backing Track]
Getting to Know You ('The King and I' Piano Accompaniment) [Professional Karaoke Backing Track]
I'm In Love With a Wonderful Guy ('south Pacific' Piano Accompaniment) [Professional Karaoke Backing Track]
I Can't Give You Anything but Love Bb ('Ain't Misbehavin'' Piano Accompaniment) [Professional Karaoke Backing Track]
Bill ('showboat' Piano Accompaniment) [Professional Karaoke Backing Track]
Because You Loved Me ('Celine Dion' Piano Accompaniment) [Professional Karaoke Backing Track]
All That's Known ('spring Awakening' Piano Accompaniment) [Professional Karaoke Backing Track]
Unbreak My Heart ('Toni Braxton' Piano Accompaniment) [Professional Karaoke Backing Track]
Sweet Love ('Anita Baker' Piano Accompaniment) [Professional Karaoke Backing Track]
Sorry Grateful ('Company' Piano Accompaniment) [Professional Karaoke Backing Track]
Songbird ('Eva Cassidy' Piano Accompaniment) [Professional Karaoke Backing Track]
Someone to Watch Over Me ('I Dreamed a Dream & Susan Boyle' Piano Accompaniment) [Professional Karaoke Backing Track]
Over the Rainbow (With Refrain) [The Wizard of Oz' Piano Accompaniment] [Professional Karaoke Backing Track])
My House ('Matilda' Piano Accompaniment) [Professional Karaoke Backing Track]
Mr. Cellophane ('Chicago' Piano Accompaniment) [Professional Karaoke Backing Track]
Mama, I'm a Big Girl Now ('Hairspray' Piano Accompaniment) [Professional Karaoke Backing Track]
Lucky ('Lucky Stiff' Piano Accompaniment) [Professional Karaoke Backing Track]
Love Me Again ('John Newman' Piano Accompaniment) [Professional Karaoke Backing Track]
I'm Not That Smart ('The 25th Annual Putnam County Spelling Bee' Piano Accompaniment) [Professional Karaoke Backing Track]
Circle of Life ('The Lion King' Piano Accompaniment) [Professional Karaoke Backing Track]
Chasing Pavements ('Adele' Piano Accompaniment) [Professional Karaoke Backing Track]
Ave Maria ('J S Bach' Piano Accompaniment) [Professional Karaoke Backing Track]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9040a1a7c878fe744b56ec881d8e050b2eec99ba7890dd804554309bc3dcb19a. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJSS1415473.