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 0xd0d83ff0ee9f86432d874e61a23cbf7a54ae0fa75b7636adb745a4af5e793736. 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/717cdaa5-6571-45f6-86e4-0fa1c621de3c.json and https://artists.proofprofile.net/proofs/artist/717cdaa5-6571-45f6-86e4-0fa1c621de3c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x26e817f69fbb2f6030cbbb6ffbe0012a536484c8ba28993df151072c83faaf57","isrc":"QMZ621110024","name":"I Wanna Go Back","registered_at":"2026-06-10T16:22:12Z","spotify_id":"32ZuBB2jvOckOzuVqCWPdm","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 0x26e817f69fbb2f6030cbbb6ffbe0012a536484c8ba28993df151072c83faaf57. 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/32ZuBB2jvOckOzuVqCWPdm.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/32ZuBB2jvOckOzuVqCWPdm.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ae2ec69b25623e4f996eb4318bebf30e5662f38f85311317cb88aebf6947495. 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/1zcS5Bsg5DsW3VBH4EprYY.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/1zcS5Bsg5DsW3VBH4EprYY.
{"copyright_id":"0x0b498015a7e7fb4017204d0d05b0633fbe6dd1a9815daec0a08084ce0cf48e6c","isrc":"QMZ621110027","name":"Buckeye Battle Cry","registered_at":"2026-06-24T10:51:35Z","spotify_id":"63kyGFugmWJXxGzvRZeS69","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b498015a7e7fb4017204d0d05b0633fbe6dd1a9815daec0a08084ce0cf48e6c. 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/63kyGFugmWJXxGzvRZeS69.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/63kyGFugmWJXxGzvRZeS69.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0036ea7647490468bc6195c340739b766c56795916fa9dcb13baf14358ecfb2f. 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/5jP37f33q6JIJ1sXbMMqOh.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/5jP37f33q6JIJ1sXbMMqOh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99b5b9377ec601977797742b948635f45d7ec238992dc95b19b7474bfb4d2935. 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/6EuoSjs01CrpBlMfL0XXJd.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/6EuoSjs01CrpBlMfL0XXJd.
{"copyright_id":"0xa3691c2cd944cd514281bfd3edde87aa801fb7be1a2b6906556ae61ee1392ba3","isrc":"QMZ621110051","name":"Music From The Lion King","registered_at":"2026-06-20T23:34:27Z","spotify_id":"1vyvvbRlyNjHvwZNqRPQEa","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3691c2cd944cd514281bfd3edde87aa801fb7be1a2b6906556ae61ee1392ba3. 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/1vyvvbRlyNjHvwZNqRPQEa.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/1vyvvbRlyNjHvwZNqRPQEa.
The Ohio State University Marching Band-New Era
{"copyright_id":"0x579025e242a259e8490d03800712cd6bbecd58ab79cdd5278fc082f28cd6ee0e","isrc":"QMZ621110245","name":"Star Spangled Banner","registered_at":"2026-06-20T05:03:06Z","spotify_id":"7FTRr86EMdtScGKOMaAj65","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x579025e242a259e8490d03800712cd6bbecd58ab79cdd5278fc082f28cd6ee0e. 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/7FTRr86EMdtScGKOMaAj65.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/7FTRr86EMdtScGKOMaAj65.
Can't Help Falling In Love-Battle Hymn - Live
Toccata In D Minor-Tales From The Crypt-Halloween Medley - Live
Grateful Nation-Johnny Come Marching Home
Looney Toons (The Merry-Go-Round Broke Down & Merrily Roll Along)
Medley - Down by the Ohio, Beautiful Ohio, Across the Field
Medley - Yankee Doodle, Overture to 1776
Buckeye Battle Cry, Across the Field, And More College Football Fight Songs from the Big 10
Buckeye Battle Bangers - Fight Songs and Hits of the Ohio State University Marching Band
The Sound of the Orton Hall Campus Chimes
Carmen Ohio Vocal (From the 1916 Ohio State Song Book)
Nintendo Medley: Legend of Zelda, Kirby, Pokemon, and Mario! - Arr. for Band by Brian Sadler
Music of the Night / Phantom of the Opera (From "Phantom of the Opera")
Wishing You Were Somehow Here Again (From "Phantom of the Opera") / I Dreamed a Dream [From "Les Miserábles"]
Road to the National Championship, Vol 2
Gee, Officer Krupke: I. Gee, Officer Krupke (From West Side Story)
California, Here I Come - Arr. For Marching Band
Oogie Boogie's Song - Arr. For Marching Band
Sergeant Pepper's Lonely Hearts Club Band - Arr. For Marching Band
With a Little Help from My Friends - Arr. For Marching Band
You Know My Name - Arr. For Marching Band
Nobody Does It Better - Arr. For Marching Band
Live and Let Die - Arr. For Marching Band
Symphonie Fantastique Finale - Arr. for Marching Band
Festive Overture - Arr. For Marching Band
Themes from Symphonies 5 & 9 - Arr. For Marching Band
A Night in Tunisia - Arr. For Marching Band
My Favorite Things - Arr. For Marching Band
New York State of Mind - Arr. For Marching Band
New York, New York - Arr. For Marching Band
No One Mourns the Wicked - Arr. For Marching Band
Defying Gravity - Arr. For Marching Band
Back to the Future Main Theme - Arr. For Marching Band
Johnny B. Goode - Arr. For Marching Band
America the Beautiful - Arr. For Marching Band