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 0xd5e813980f8ee7703ad69dce5d87cd27fc3a517b81a45a1c96e1130fadd4bef9. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc6baea4-9816-4310-9b03-43a0591de94f.json and https://artists.proofprofile.net/proofs/artist/bc6baea4-9816-4310-9b03-43a0591de94f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Classical Cello Music: Mellow Cello and Piano Famous Classic Pieces
Piano Sonata No.8 In C Minor, Op.13, Pathétique, Adagio cantabile - Cello Transcription
The Swan from Carnival of the Animals - Cello Transcription
Prelude in E minor, Op 28, No. 4 - Cello Transcription
Sicilienne, Op. 78 - Cello Transcription
Liebestraum No.3 in A flat major, Dreams of Love - Cello Transcription
Valse sentimentale, Op.51, No.6 - Cello Transcription
Vocalise, Op.34, No.14 - Cello Transcription
Romantic Cello Music: Famous Classical Pieces Transcription for Cello and Piano
Kinderszenen, Op. 15, No. 7: Traumerei - Cello Transcription
Chanson Triste Op. 40, No. 2 - Cello Transcription
{"copyright_id":"0x6a9d55764f71e26dcf66fc72cacc8bfa72520b6d98c2533ae1b69b8d6ac2844b","isrc":"ITK262001543","name":"Chanson Triste Op. 40, No. 2 - Cello Transcription","registered_at":"2026-06-28T18:40:46Z","spotify_id":"7eQLnYcVnuJqClq0Kb99uy","type":"track"}
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 0x6a9d55764f71e26dcf66fc72cacc8bfa72520b6d98c2533ae1b69b8d6ac2844b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7eQLnYcVnuJqClq0Kb99uy.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/7eQLnYcVnuJqClq0Kb99uy.
6 Songs, Op. 34: No. 2, On Wings of Song, MWVK86 - Cello Transcription
Romance op. 94, No. 1 - Cello Transcription
Schwanengesang, D 957, No. 4: Standchen - Cello Transcription
Schlummerlied, D527 - Cello Transcription
Sonata E minor, op.14, No.5 - Cello Transcription
Peer Gynt - Suite No. 1, Op. 46 - II. Aase's Death - Cello Transcription
Musical Moment No.3 in F minor Op.34 D.958 - Cello Transcription
Beautiful Cello Music: Classical Cello and Piano Music for Stress Relief
Cavalleria rusticana: Intermezzo sinfonico, Andante sostenuto
Air on the G String, Suite No. 3, BWV 1068
Symphony No. 2, Carissima, Mina, Chanson de Matin
Elegiac Melodies, Op.34: The Wounded Heart
Cello Solo: A fine Classical Solo Cello Collection
Suite for Solo Cello no. 1 in G major, Minuet 1
Divertimento in D Major, K334-320b: III. Menuetto - Solo Cello
Minuet in G Major, WoO 10, No.2 - Solo Cello
Romeo and Juliet, Overture: Love Theme - Solo Cello
Capriccio No. 4 in D minor - Baroque Cello
Country Dance in C Major WoO 14, No.1 - Solo Cello
String Quartet in G Major, Op.66 No. 2: Menuetto - Solo Cello
Capriccio No. 1 for Solo Cello - Baroque Cello
Cello Suite No. 5 in C Minor, BWV 1011: IV. Sarabande
Relaxing Cello: Classical Cello Music for Sleep, Relaxation & Stress Relief
Pomp and Circumstance: Op. 39, March No.1
Calm Cello: Classical Cello with Ocean Sounds
Scarborough Fair - Nature Sounds Version
Zigeuner Melodie, Op. 55, No. 4 - Nature Sounds Version
Nocturne in D Minor for Cello and Piano - Nature Sounds Version
Le Cygne from Carnaval des Animaux - Nature Sounds Version
Song of the Birds - Nature Sounds Version
Pomp and Circumstance: Op. 39, March No. 1 - Nature Sounds Version
The Elephant from Carnaval des Animaux - Nature Sounds Version
Calm Cello Music: Classical Cello and Piano Music for Studying, Sleeping, Relaxing
Peer Gynt, Op. 23, Act III - Solveig's Song (Cello Transcription)
Cello Sonata in G Minor Op.65 (3rd mov.)
Vocalise, Op. 34, No. 14 (New Cello Version)
L'Arlésienne Suite No. 1 - Minuetto (Cello Transcription)
Cello Sonata in G Minor Op.65 (3rd mov.) - Nature Sounds Version
Song without words, Op. 109 - Nature Sounds Version
Du bist die Ruh', Op. 59 No. 3, D. 776 - Nature Sounds Version
Sicilienne, Op. 78 (New Cello Version) - Nature Sounds Version
Vocalise, Op. 34, No. 14 (New Cello Version) - Nature Sounds Version
Beau soir, L. 81 (New Cello Version) - Nature Sounds Version
Peer Gynt, Op. 23, Act III - Solveig's Song (Cello Transcription) - Nature Sounds Version
Gnossienne No. 1 (Cello Transcription) - Nature Sounds Version
La Paloma (Cello Transcription) - Nature Sounds Version
L'Arlésienne Suite No. 1 - Minuetto (Cello Transcription) - Nature Sounds Version
Cello Covers of Popular Pop Songs: Relaxing Instrumental Cello
{"copyright_id":"0x0f470d0f0f15527b7519a7fbc7af93ead3f398a9263c5b7a2ad8d236d510fb1f","isrc":"ITK262300762","name":"All by Myself - Cello Transcription","registered_at":"2026-06-11T05:22:10Z","spotify_id":"5XZgbdva4h7SSObaYOiHmk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f470d0f0f15527b7519a7fbc7af93ead3f398a9263c5b7a2ad8d236d510fb1f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XZgbdva4h7SSObaYOiHmk.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/5XZgbdva4h7SSObaYOiHmk.
With or Without You - Cello Transcription
{"copyright_id":"0x3dcef7c225084a48332957def85a6f882c13d78db4534cf3cf12039732211e11","isrc":"ITK262300763","name":"With or Without You - Cello Transcription","registered_at":"2026-06-08T11:02:57Z","spotify_id":"0WoRBSP2ZUc8reXPqzbLSa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dcef7c225084a48332957def85a6f882c13d78db4534cf3cf12039732211e11. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0WoRBSP2ZUc8reXPqzbLSa.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/0WoRBSP2ZUc8reXPqzbLSa.
{"copyright_id":"0xae85f092f7645fe77138f96e6f0bf07d51e9b5dcfaddc5b1d63385e6cd60ba16","isrc":"ITK262300764","name":"Annie's Song - Cello Transcription","registered_at":"2026-06-08T02:11:15Z","spotify_id":"53IBBkn6CLAvW6qq4aP9p6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae85f092f7645fe77138f96e6f0bf07d51e9b5dcfaddc5b1d63385e6cd60ba16. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/53IBBkn6CLAvW6qq4aP9p6.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/53IBBkn6CLAvW6qq4aP9p6.
{"copyright_id":"0xa008e1f51eabf625d5ac4cab783651ddb861d54313d713d6a9c1c14fb95ff12c","isrc":"ITK262300765","name":"Desperado - Cello Transcription","registered_at":"2026-06-10T14:59:18Z","spotify_id":"2Y5UDR7sPw4cNtbNAsnguO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa008e1f51eabf625d5ac4cab783651ddb861d54313d713d6a9c1c14fb95ff12c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Y5UDR7sPw4cNtbNAsnguO.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/2Y5UDR7sPw4cNtbNAsnguO.
{"copyright_id":"0xa072c3b717184e5f953ed7b8bdecf32bd67673d890def2df8c441152e4536ae3","isrc":"ITK262300766","name":"Time - Cello Transcription","registered_at":"2026-06-19T23:58:51Z","spotify_id":"2ECU5kd4aNr7Q6vDfI5DOg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa072c3b717184e5f953ed7b8bdecf32bd67673d890def2df8c441152e4536ae3. 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/2ECU5kd4aNr7Q6vDfI5DOg.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/2ECU5kd4aNr7Q6vDfI5DOg.
The Long and Winding Road - Cello Transcription
{"copyright_id":"0x67cf84bf36e54f58e1def0e1a1e52c2f142af87ee828105e6c6347bdaf24781a","isrc":"ITK262300767","name":"The Long and Winding Road - Cello Transcription","registered_at":"2026-06-18T13:43:33Z","spotify_id":"76xnjnJ0FDVsEah6RyY5QX","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67cf84bf36e54f58e1def0e1a1e52c2f142af87ee828105e6c6347bdaf24781a. 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/76xnjnJ0FDVsEah6RyY5QX.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/76xnjnJ0FDVsEah6RyY5QX.
{"copyright_id":"0xf13a6fc16819b009916793acc28cc5ccefd2cb580ff94dbeb9f068ed0e2381ab","isrc":"ITK262300768","name":"Tequila Sunrise - Cello Transcription","registered_at":"2026-06-23T09:21:49Z","spotify_id":"48G4B97l0g1X1B0xIYf4JB","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf13a6fc16819b009916793acc28cc5ccefd2cb580ff94dbeb9f068ed0e2381ab. 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/48G4B97l0g1X1B0xIYf4JB.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/48G4B97l0g1X1B0xIYf4JB.
{"copyright_id":"0xe4097fd5ebc2e2dbce4f4992ab766968d8d9d47bfdcec6719a7951d07a223892","isrc":"ITK262300769","name":"Mandy - Cello Transcription","registered_at":"2026-06-22T23:47:38Z","spotify_id":"3mQ98QsheWw0P7tNyJmqAf","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4097fd5ebc2e2dbce4f4992ab766968d8d9d47bfdcec6719a7951d07a223892. 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/3mQ98QsheWw0P7tNyJmqAf.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/3mQ98QsheWw0P7tNyJmqAf.
{"copyright_id":"0xad8a60b77435e4406e1a26c88852136ce6ac24c02992cfe17a6e0d642a88cb27","isrc":"ITK262300770","name":"Unchained Melody - Cello Transcription","registered_at":"2026-06-24T09:25:47Z","spotify_id":"5LxwTPDr5v74y52c074wjo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad8a60b77435e4406e1a26c88852136ce6ac24c02992cfe17a6e0d642a88cb27. 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/5LxwTPDr5v74y52c074wjo.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/5LxwTPDr5v74y52c074wjo.
{"copyright_id":"0x4532393c77adac94c7a1a68c3eb5226d713c7505bc81b62b6b458f3cffabb60a","isrc":"ITK262300771","name":"Hey Jude - Cello Transcription","registered_at":"2026-06-24T09:24:33Z","spotify_id":"3kM6kx7lEzCGdhCvCIeCN8","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4532393c77adac94c7a1a68c3eb5226d713c7505bc81b62b6b458f3cffabb60a. 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/3kM6kx7lEzCGdhCvCIeCN8.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/3kM6kx7lEzCGdhCvCIeCN8.
Can't Help Falling In Love - Cello Transcription
{"copyright_id":"0x6c70196b1ebee7d5efd532b57f60827235b48e36d3852e35f6a761ae94bde915","isrc":"ITK262300772","name":"Can't Help Falling In Love - Cello Transcription","registered_at":"2026-06-24T09:24:43Z","spotify_id":"54SAEIF3HtQQRW1TB1GBhu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c70196b1ebee7d5efd532b57f60827235b48e36d3852e35f6a761ae94bde915. 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/54SAEIF3HtQQRW1TB1GBhu.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/54SAEIF3HtQQRW1TB1GBhu.
Have You Ever Seen The Rain - Cello Transcription
She's leaving home - Cello Transcription
Cello Covers with Ocean Sounds: Soothing Cello Covers for Deep Sleep & Relaxation
Desperado - Cello Transcription with Ocean Sounds
Time - Cello Transcription with Ocean Sounds
The Long and Winding Road - Cello Transcription with Ocean Sounds
Tequila Sunrise - Cello Transcription with Ocean Sounds
Mandy - Cello Transcription with Ocean Sounds
All by Myself - Cello Transcription with Ocean Sounds
With or Without You - Cello Transcription with Ocean Sounds
Annie's Song - Cello Transcription with Ocean Sounds
Unchained Melody - Cello Transcription with Ocean Sounds
Hey Jude - Cello Transcription with Ocean Sounds
Can't Help Falling In Love - Cello Transcription with Ocean Sounds
Redemption Song - Cello Transcription with Ocean Sounds
Have You Ever Seen The Rain - Cello Transcription with Ocean Sounds
She's leaving home - Cello Transcription with Ocean Sounds
Fly Away - Cello Transcription with Ocean Sounds
Cello Covers of Popular Pop Rock Songs, Vol. 2: Relaxing Instrumental Cello
When the Smoke Is Going Down (Cello Transcription)
You Take my Breath Away (Cello Transcription)
Goodbye to Romance (Cello Transcription)
Flyng in a Blue Dream (Cello Transcription)
For the Love of God (Cello Transcription)
Cello Covers with Ocean Sounds, Vol. 2: Soothing Cello Covers for Deep Sleep & Relaxation
Holiday - Cello Transcription with Ocean Sounds
Flyng in a Blue Dream - Cello Transcription with Ocean Sounds
Changes - Cello Transcription with Ocean Sounds
For the Love of God - Cello Transcription with Ocean Sounds
Goodbye to Romance (Cello Transcription with Ocean Sounds)
Love of my Life - Cello Transcription with Ocean Sounds
Open Arms - Cello Transcription with Ocean Sounds
Before the Dawn - Cello Transcription with Ocean Sounds
Catch The Rainbow - Cello Transcription with Ocean Sounds
When the Smoke Is Going Down - Cello Transcription with Ocean Sounds
Diamonds & Rust (Cello Transcription with Ocean Sounds)
Dust in the Wind - Cello Transcription with Ocean Sounds
Fluff - Cello Transcription with Ocean Sounds
You Take my Breath Away - Cello Transcription with Ocean Sounds
Rainbow eyes - Cello Transcription with Ocean Sounds
Cello Covers of Popular Pop Songs, Vol. 3: Relaxing Instrumental Cello
The Winner Takes It All - Cello Transcription
Moonlight on Bourbon street - Cello Transcription
Killing me softly with his song - Cello Transcription
Are you lonesome tonight - Cello Transcription
Cello Covers with Ocean Sounds, Vol. 3: Soothing Cello Covers for Deep Sleep & Relaxation
My Way (Cello Transcription with Ocean Sounds)
El Condor pasa (Cello Transcription with Ocean Sounds)
Something (Cello Transcription with Ocean Sounds)
Moon river (Cello Transcription with Ocean Sounds)
Moonlight on Bourbon street (Cello Transcription with Ocean Sounds)
The Winner Takes It All (Cello Transcription with Ocean Sounds)
Sailing (Cello Transcription with Ocean Sounds)
Londonderry Air (Cello Transcription with Ocean Sounds)
Besame mucho (Cello Transcription with Ocean Sounds)
Fragile (Cello Transcription with Ocean Sounds)
And I love her (Cello Transcription with Ocean Sounds)
Killing me softly with this song (Cello Transcription with Ocean Sounds)
Love (Cello Transcription with Ocean Sounds)
All my loving (Cello Transcription with Ocean Sounds)
Are you lonsome tonight (Cello Transcription with Ocean Sounds)
Cello Covers of Popular Songs, Vol. 4: Relaxing Instrumental Cello
Cello Covers with Ocean Sounds, Vol. 4: Soothing Cello Covers for Deep Sleep & Relaxation
Woman in Love - Cello Version with Ocean Sounds
Honesty - Cello Version with Ocean Sounds
Tears In Heaven - Cello Version with Ocean Sounds
I Can't Tell You Why - Cello Version with Ocean Sounds
You Are So Beautiful - Cello Version with Ocean Sounds
Mind Games - Cello Version with Ocean Sounds
Yesterday - Cello Version with Ocean Sounds
Father and Son - Cello Version with Ocean Sounds
Love Is in the Air - Cello Version with Ocean Sounds
Wonderful Tonight - Cello Version with Ocean Sounds