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 0xfc83576fdef18385341ffee7da48af65c660a4d5684461d050187c7d68393d9e. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4d668f68-6b75-4a56-b7c6-23dea1a835af.json and https://artists.proofprofile.net/proofs/artist/4d668f68-6b75-4a56-b7c6-23dea1a835af.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
San Francisco (Be Sure to Wear Some Flowers in Your Hair)
The Sun Ain't Gonna Shine Anymore (Acoustic Piano Version)
Here Comes The Rain Again (Solo Voice And Piano) [By Ear]
Against All Odds (Take A Look At Me Now) [By Ear]
Fade To Black (Solo Voice And Piano) [By Ear]
These Dreams (Acoustic Piano Version) [By Ear]
Who Wants To Live Forever (Acoustic Piano Version)
River In The Rain (Solo Voice And Piano) [By Ear]
It Must Have Been Love (Piano Version) [By Ear]
Tell Me Why (Acoustic Piano Version) [By Ear]
Learning To Fly (Solo Voice And Piano) [By Ear]
Everytime We Touch (Solo Voice And Piano) [By Ear]
I'd Do Anything For Love (But I Won't Do That)
Someone Like You (From "Jekyll and Hyde")
Comedown (Solo Voice And Piano) [By Ear]
You Were Meant For Me (Acoustic Piano Version)
Truly Madly Deeply (Piano Version) [By Ear]
This Is Crazy Now (Piano Version) [By Ear]
That I Would Be Good (Acoustic Piano Version) [By Ear]
Wild Hearts Can't Be Broken (Piano Karaoke) [By Ear]
I'm Not A Girl, Not Yet A Woman (By Ear)
Here Without You (Acoustic Piano Version)
Defying Gravity (Acoustic Piano Version)
Laid A Highway (Solo Voice And Piano) [By Ear]
Write My Ticket (Solo Voice And Piano) [By Ear]
Long Night (Solo Voice And Piano) [By Ear]
Stand My Ground (Acoustic Piano Version)
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 0x5e46d8fe6025c2a5ce70b0b0768384b750211167a69f9be4a4d563b1b712fa67. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/QZPJ32183673.
Again And Again (Solo Voice And Piano) [By Ear]
Almost Lover (Acoustic Piano Version) [By Ear]
I Don't Believe You (Acoustic Piano Version) [By Ear]
Everywhere I Go (Acoustic Piano Version)
The Edge Of Glory (Acoustic Piano Version)
Sweet Spot (Solo Voice And Piano) [By Ear]
Wrecking Ball (A Collection of Today's Top Hits By Ear) [Piano Karaoke]
Let Me Go (Orginally Performed by Avril Lavigne feat. Chad Kroeger) [Piano Karaoke Version]
Human (Solo Piano Karaoke) [Originally Performed By Christina Perri]
Vocal Exercises for the Female Voice: Building Your Range, Power and Vocal Stamina.
I Believe (Solo Piano Karaoke) [Originally Performed By Christina Perri]
Knockin On Heaven's Door (Solo Piano Karaoke) [In the Style of Avril Lavigne]
Royals (Solo Piano Karaoke) [In the Style of Bruce Springsteen]
Royals (Originally Performed By Lorde) [Piano Karaoke Country Version]
Walk Away Renee (Soundtrack from the TV Series)
Stupid Boy (Solo Piano Karaoke) [In the Style of Cassadee Pope]
Shake It Off (No Rap) [Originally Performed By Taylor Swift] [Piano Karaoke Version]
All of Me (Originally Performed By John Legend) [Piano Karaoke Female Version By Ear]
Mama, I'm Coming Home (Solo Voice and Piano By Ear)
Stay With Me (Originally Performed By Sam Smith) [Piano Karaoke Female Version By Ear]
You and I (Originally Performed By One Direction) [Piano Karaoke Female Version By Ear]
Out of the Woods (Originally Performed By Taylor Swift) (Piano Karaoke Version By Ear)
Chandelier (Originally Performed By Sia) [Piano Karaoke By Ear in the High Key]
Chandelier (Originally Performed By Sia) [Piano Karaoke By Ear in Lower Key] [feat. Madilyn Bailey]
Out of the Woods (Solo Piano and Voice By Ear)
Nights in White Satin (Solo Piano and Voice By Ear)
I'm Goin' Down (Solo Piano and Voice By Ear)
Welcome to New York (Originally Performed By Taylor Swift) [Piano Karaoke Version By Ear]
Amnesia Piano Karaoke (For The Female Voice)
18 (Originally Performed By One Direction) Piano Karaoke For The Female Voice (By Ear)
Without You (Piano Karaoke In The Style Of DaNica Shirey) By Ear
Love The Way You Lie Piano Karaoke (By Ear)
Jealous Piano Karaoke For The Female Voice (By Ear)
I Want It That Way Piano Karaoke For The Female Voice (By Ear)
Bed Of Lies Piano Karaoke ( By Ear) No Nicki Minaj
Love Me Like You Do Piano Karaoke (By Ear)
Unkiss Me Piano Karaoke For The Female Voice (By Ear)
Sugar Piano Karaoke (By Ear) For The Female Voice
I'm Not The Only One Piano Karaoke (By Ear) For The Female Voice
Animals Piano Karaoke (By Ear) For The Female Voice
Demons Piano Karaoke (By Ear) For The Female Voice
Radioactive Piano Karaoke (By Ear) For The Female Voice
Somebody To Love Piano Karaoke For The Female Voice (By Ear)
What Makes You Beautiful Piano Karaoke For The Female Voice (By Ear)
Open Arms Piano Karaoke For The Female Voice (By Ear)
One Moment In Time Piano Karaoke (By Ear)
Maybe It Was Memphis Piano Karaoke (By Ear)
I Wish I Could Break Your Heart Piano Karaoke (By Ear)
Take Me To Church Piano Karaoke For The Female Voice (By Ear)
Mirrors Piano Karaoke For The Female Voice (By Ear)
Wasting All These Tears Piano Karaoke (By Ear)
Vocal Chromatic Exercises for the Female Voice
The Heart Wants What It Want Piano Karaoke (By Ear)
Easy Vocal Exercises (Scales and Ear Training) For The Female Voice
Piano Karaoke's (In The Style Of Martina McBride) [By Ear]
Something In The Water Piano Karaoke (By Ear)
California Dreaming Piano Karaoke (By Ear)
I'd Rather Ride Around With You Piano Karaoke (By Ear)
Drag Me Down (Piano Karaoke For The Female Voice) [By Ear]
Roots And Wings (Piano Karaoke) [By Ear]
Midnight Memories (Piano Karaoke For The Female Voice) (By Ear)
I Want To Know What Love Is (Piano Karaoke For The Female Voice) (By Ear)
Writing's On The Wall (Piano Karaoke) (For The Female Voice) (By Ear)
Piano Karaoke's (In The Style Of Faith Hill) [By Ear]
Piano Karaoke's (In The Style Of Sugarland) [By Ear]
Free Falling (Piano Karaoke For Female Singers) [By Ear]
Strawberry Wine (Piano Karaoke) [By Ear]
Cowboy Take Me Away (Piano Karaoke) [By Ear]
No One Else On Earth (Piano Karaoke) [By Ear]
Teardrops On My Guitar (Piano Karaoke) [By Ear]
Wide Open Spaces (Piano Karaoke) [By Ear]
Used To Love You (Piano Karaoke) [By Ear]
Hotline Bling (Piano Kararoke For The Female Voice) [By Ear]
Halo (Piano Karaoke For Male Singers) [By Ear]
When We Were Young (Piano Karaoke) [By Ear]
Keeper Of The Flame (Acoustic Piano Version)
Eighteen Wheels and a Dozen Roses (By Ear)
Keeper of the Flame (Piano Karaoke) [By Ear]
I Can't Make It Alone (Rerecorded Version)
You've Been Set Free (Re-Recorded Version)
Black Holes (Don't Hold On) [Acoustic Piano Version]
Blood And Muscle (Acoustic Piano Version)
I'll Never Love Again (Originally Performed By Lady Gaga) Piano Karaoke [By Ear]
Shallow (Originally Performed By Lady Gaga And Bradley Cooper) Piano Karaoke [By Ear]
Always Remember Us This Way (Originally Performed By Lady Gaga) Piano Karaoke [By Ear]
Before I Cry (Originally Performed By Lady Gaga) [Piano Karaoke Version] [By Ear]
Is That Alright? (Originally Performed By Lady Gaga) [Piano Karaoke Version] [By Ear]
Tell Me It's Over (Piano Karaoke) [Originally Performed by Avril Lavigne]
Warrior (Originally Performed By Avril Lavigne) [Piano Karaoke] [By Ear]
It Was In Me (Originally Performed By Avril Lavigne) [Piano Karaoke] [By Ear]
Easy Vocal Exercises (Scales and Ear Training) for the Female Voice
Idontwannabeyouanymore (Piano Karaoke) [By Ear]
Jekyll & Hyde (The Musical) [Various Song Selections]
Have Yourself a Merry Little Christmas (Solo Classical Piano) [By Ear]
Smiling (Acoustic Piano Version) [By Ear]
Knocking On My Door (Piano Version) [By Ear]
What Made You Think? (Acoustic Piano Version)
Hold My Hand (From "Top Gun: Maverick") [Piano Karaoke by Ear]
O Holy Night: (Solo Christmas Piano Favorites by Ear)
Anti-Hero (Piano Karaoke's in the Style of Taylor Swift)
Out Here On My Own (Solo Voice And Piano) [By Ear]
Ruby Tuesday (Solo Voice and Piano by Ear)
I Hate the Way (Solo Voice and Piano) [By Ear]
Trees We'll Never See (Solo Voice and Piano) [By Ear]
What I Really Meant to Say (Solo Voice and Piano) [By Ear]
Never Be Mine (Solo Voice And Piano) [By Ear]
Thousand Miles (Solo Voice And Piano) [By Ear]
Wildcard (Solo Voice And Piano) [By Ear]
Crying My Eyes Out (Solo Voice And Piano) [By Ear]
Falling Under (Solo Voice And Piano) [By Ear]
Don't Let the Old Man In (Acoustic Piano Version) [By Ear]
Symptom Of Being Human [(Piano Version) [By Ear]]
Uncover (Acoustic Piano Version) [By Ear]
The Architect (Acoustic Piano Cover) [By Ear]
Waiting In The Wings (Acoustic Piano Cover)
Dance Like No One's Watching (Acoustic Piano Version)
End Of The World (Acoustic Piano Version)
Who Believes In Angels? (Acoustic Piano Version)
Thinking Of You (Acoustic Piano Version)