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 0x761902fe78867ad6e80eb93d2b580e8c28ce88964a64eefc699c55502569a320. 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/6c0a4249-f270-4710-bddf-b610923e640f.json and https://artists.proofprofile.net/proofs/artist/6c0a4249-f270-4710-bddf-b610923e640f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Here Come The Classics, Christmas Classics, Vol. 2
Three German Dances, KV.605: Sleigh Ride
Fantasy, The Holly And The Ivy (arr. Palmer)
God Rest Ye Merry Gentlemen (arr. David Willcocks)
Unto Us Is Born A Son (arr. David Willcocks)
Once In Royal David's City (arr. David Willcocks)
O Little Town Of Bethlehem (arr. Ralph Vaughan Williams)
The First Nowell / Christmas Carnival (arr. David Willcocks / Richard Bissill)
Faust: Glory and love to the men of old (Soldiers' Chorus)
The Pearl Fishers: Au fond du temple saint (In the depths of the holy temple)
The Barber of Seville: Largo al factotum
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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 0xf427f446a26efe851bf8ad2c0673c16858a4a222501bfc39e0a95962fc8684cc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/68JeWPPdRuR2pNQ8SRlDhM.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/68JeWPPdRuR2pNQ8SRlDhM.
Nabucco: Va, pensiero, sull'ali dorate (Chorus of the Hebrew Slaves)
Variations on an Original Theme, 'Enigma', Op. 36
Ride Of The Valkyries (from 'Die Walkure')
Brindisi 'Libiami Ne' Leiti Calici' (from 'La Traviata')
Largo from Symphony No.9 in E minor, Op.95 'From The New World'
In The Hall Of The Mountain King from Peer Gynt Suite No.1, Op.46
Pomp & Circumstance March No.4 in G, Op.39
Ode To Joy (Exerpt From Symphony No.9, Op.125)
Variations On An Original Theme, Op.36 'Enigma' Variation No.9 'Nimrod'
The New World: Symphony No.9 in E minor, Op.95, 2nd movement: Largo
'Peer Gynt 'Suite No.1, Op.46: In The Hall Of The Mountain King
'Pomp & Circumstance' March No.4 in G, Op.39
Mozart-Sarasate-Kabalevsky-Wieniawski: Selected Works for Violin
Carmen Fantasy for Violin and Orchestra, Op. 25
Violin Concerto In C Major, Op. 48: I. Allegro Molto e Con Brio
Violin Concerto In C Major, Op. 48: II. Andante Cantabile
Violin Concerto In C Major, Op. 48: III. Vivace Giocoso
Violin Concerto In D Major, ("Adelaide" Concerto): I. Allegro
Violin Concerto In D Major, ("Adelaide" Concerto): II. Adagio
Violin Concerto In D Major, ("Adelaide" Concerto): III. Allegro
Fantaisie Brillante on themes from Gounod's Faust, Op. 20
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f85651391ab6e5f70383b34539a3d5b8c92db628db94e1ebb0695760a67698a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ElQkLfR4jtGbb2edtbx22.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/5ElQkLfR4jtGbb2edtbx22.
Phantom Fantasia: The Music of the Night
{"copyright_id":"0xa9c8c0c9bd5fc6e69323e56c8f0c90dec9ef80f3fa1ea583738ed16d0d6ac227","isrc":"USBMG0400058","name":"Phantom Fantasia: The Music of the Night","registered_at":"2026-06-20T05:07:42Z","spotify_id":"38HIm0iBDgnU4qeBjFijpW","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c8c0c9bd5fc6e69323e56c8f0c90dec9ef80f3fa1ea583738ed16d0d6ac227. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38HIm0iBDgnU4qeBjFijpW.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/38HIm0iBDgnU4qeBjFijpW.
{"copyright_id":"0xd63671ac8e19fd12a9897fb22fe46c7e4a166d5058621863c60d52314fc7e7e8","isrc":"USBMG0400059","name":"Phantom Fantasia: Think of Me","registered_at":"2026-06-23T06:56:46Z","spotify_id":"3rL8RGNSrhnEA14j7HY6xz","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd63671ac8e19fd12a9897fb22fe46c7e4a166d5058621863c60d52314fc7e7e8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3rL8RGNSrhnEA14j7HY6xz.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/3rL8RGNSrhnEA14j7HY6xz.
{"copyright_id":"0x7c8633e96439a34b1ce6cf8d186d4ba3037c39afe960243909d304478a925db7","isrc":"USBMG0400060","name":"Phantom Fantasia: Masquerade","registered_at":"2026-06-21T23:01:54Z","spotify_id":"71jDy1NVC1vurZWhM0KqGp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c8633e96439a34b1ce6cf8d186d4ba3037c39afe960243909d304478a925db7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/71jDy1NVC1vurZWhM0KqGp.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/71jDy1NVC1vurZWhM0KqGp.
Phantom Fantasia: The Phantom of the Opera
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x928cd632f61b2b23abfd0c57fdd7502e16e77eb4720e699d2c28ef175041c3cd. 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/7LFo9NEDapyxsCXfXBDo5F.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/7LFo9NEDapyxsCXfXBDo5F.
Phantom Fantasia: The Point of No Return
{"copyright_id":"0x769e355965674768b3c900a6cfa33f00d570afa96e283c6ec31dd75a6353d086","isrc":"USBMG0400062","name":"Phantom Fantasia: The Point of No Return","registered_at":"2026-06-23T03:26:45Z","spotify_id":"6Q0YmVkfOwn6malVPxBQWI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769e355965674768b3c900a6cfa33f00d570afa96e283c6ec31dd75a6353d086. 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/6Q0YmVkfOwn6malVPxBQWI.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/6Q0YmVkfOwn6malVPxBQWI.
{"copyright_id":"0x126d1d3f9b553c70d706811dc4706dc10ba163e9c8ecf5aae8eff62ba341ea20","isrc":"USBMG0400063","name":"Phantom Fantasia: All I Ask of You","registered_at":"2026-06-20T05:07:40Z","spotify_id":"6Ot9BScYWzkLFxPPo6VgOd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x126d1d3f9b553c70d706811dc4706dc10ba163e9c8ecf5aae8eff62ba341ea20. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6Ot9BScYWzkLFxPPo6VgOd.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/6Ot9BScYWzkLFxPPo6VgOd.
{"copyright_id":"0x6f341ba4fd6a92ca8b33a8bdec8b9d429df5b161f28c9622c125a58f2f57bb90","isrc":"USBMG0400064","name":"Phantom Fantasia: Prima Donna","registered_at":"2026-06-24T05:51:22Z","spotify_id":"4fVKUNu5MlVe9qglQbdYnl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f341ba4fd6a92ca8b33a8bdec8b9d429df5b161f28c9622c125a58f2f57bb90. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4fVKUNu5MlVe9qglQbdYnl.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/4fVKUNu5MlVe9qglQbdYnl.
Phantom Fantasia: Wishing You Were Somehow Here Again
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec684b99f4471b303eec54a3e6a0ea929193e4ebeaa978ca12519be010652343. 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/6csTlagmoIKCO3fxdeBYCT.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/6csTlagmoIKCO3fxdeBYCT.
{"copyright_id":"0x4deffb55acfacb19124dfb7d3b86067045e8fe0c61bbf4a74f4009ede3560b23","isrc":"USBMG0400067","name":"Phantom Fantasia: Angel of Music","registered_at":"2026-06-24T11:56:18Z","spotify_id":"4mHtgNMYp8mJO2iKJYKXXS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4deffb55acfacb19124dfb7d3b86067045e8fe0c61bbf4a74f4009ede3560b23. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4mHtgNMYp8mJO2iKJYKXXS.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/4mHtgNMYp8mJO2iKJYKXXS.
Don't Cry For Me Argentina (from "Evita")
Jesus Christ Superstar Symphonic Suite: Overture
Jesus Christ Superstar Symphonic Suite: Heaven On Their Minds
Jesus Christ Superstar Symphonic Suite: I Don't Know How to Love Him
Jesus Christ Superstar Symphonic Suite: Superstar
Jesus Christ Superstar Symphonic Suite: Hosanna
Jesus Christ Superstar Symphonic Suite: Pilate's Dream
Jesus Christ Superstar Symphonic Suite: King Herod's Song
Jesus Christ Superstar Symphonic Suite: Everything's Alright
Jesus Christ Superstar Symphonic Suite: Gethsemane
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc368070a7ff2414c59682d64140762088d4db086dc0daf3ec883dc0ca3b1b2a3. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2xORus0TIDTVKatLletu1B.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/2xORus0TIDTVKatLletu1B.
"O Mio Babbino Caro" (From Gianni Schicchi)
{"copyright_id":"0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9","isrc":"GBUM70602981","name":"\"O Mio Babbino Caro\" (From Gianni Schicchi)","registered_at":"2026-06-07T06:42:51Z","spotify_id":"1at0OHv68F8E0XSW3dmjT4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1at0OHv68F8E0XSW3dmjT4.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/1at0OHv68F8E0XSW3dmjT4.
Puccini: "O Mio Babbino Caro" (From Gianni Schicchi)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6D4MKHZsNpGEUUjEOI7A5O.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/6D4MKHZsNpGEUUjEOI7A5O.
The Classical Voice: A Celebration of the Classical Voice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dbccd4578979211ebec246fe33c7401e283f320731eddcf1b23b988582c60f9. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5yWJLxMBE1Kw2O2kt0PmZv.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/5yWJLxMBE1Kw2O2kt0PmZv.