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 0xfe4aab335a980548f89b2b1cbc7a0471028bae9717d5b56e6ee97147728049f7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3203cb67-fa6d-4c87-8d45-a9414e911046.json and https://artists.proofprofile.net/proofs/artist/3203cb67-fa6d-4c87-8d45-a9414e911046.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Two Places at the Same Time (Expanded Edition)
{"copyright_id":"0xa33d4984056ea8b3ff2131dc103dd74c152340cbd957bd48a8f8e4d685656ec5","isrc":"USAR10400825","name":"You Can't Fight What You Feel","registered_at":"2026-06-29T03:49:00Z","spotify_id":"2QcFqVhNPqM6nNQ3EEBj4P","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 0xa33d4984056ea8b3ff2131dc103dd74c152340cbd957bd48a8f8e4d685656ec5. 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/2QcFqVhNPqM6nNQ3EEBj4P.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/2QcFqVhNPqM6nNQ3EEBj4P.
All in the Way You Get Down - Remixed Version
A Woman Needs Love (Just Like You Do) - 7" Version
{"copyright_id":"0x3f1c22c13d641df5c34d4923e0945c800d887463aaad2d540a41e64788c6810c","isrc":"USAR10800003","name":"A Woman Needs Love (Just Like You Do) - 7\" Version","registered_at":"2026-06-29T04:04:39Z","spotify_id":"7MiHouwmDun9HGMxWtJaGl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f1c22c13d641df5c34d4923e0945c800d887463aaad2d540a41e64788c6810c. 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/7MiHouwmDun9HGMxWtJaGl.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/7MiHouwmDun9HGMxWtJaGl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2808e88a0d0df836a5fcf9bf8642e350196bd23bbd191d5854c0180fe0842f64. 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/6pBrQaELefnR8XyZzargLy.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/6pBrQaELefnR8XyZzargLy.
Jack and Jill (Back Up the Hill) - 1982 Version
Jack and Jill (Back up the Hill) [1982 Version]
I Don't Think That Man Should Sleep Alone
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf6338b5339752086bf8302708e1c5f1543d60099b44b75ceb1f7319feb03a8d. 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/4MLsmNm5YZdmZnq1bdRThg.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/4MLsmNm5YZdmZnq1bdRThg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf6338b5339752086bf8302708e1c5f1543d60099b44b75ceb1f7319feb03a8d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5yHQ8xAHLuQ2VZH3dgTPZE.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/5yHQ8xAHLuQ2VZH3dgTPZE.
A Woman Needs Love (Just Like You Do) [7 Inch Version]
Ray Parker, Jr. Interviews with Ebony Moments (Live Interview)
Ray Parker, Jr. Interviews with Ebony Moments - Live Interview
More Than One Way to Love a Woman - Single Version
Ghostbusters - "Searchin' for the Spirit" Remix
Ghostbusters (Original Motion Picture Soundtrack) [2016]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef791bfe254bbe9e0027e849d2080130475b9a7957f376538e3e70decbcc06a8. 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/3m0y8qLoznUYi73SUBP8GI.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/3m0y8qLoznUYi73SUBP8GI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0sTHEo24E8LxasEkSnpUkx.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/0sTHEo24E8LxasEkSnpUkx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. 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/3xCwovEB8dxWWGopTwQ51S.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/3xCwovEB8dxWWGopTwQ51S.
{"copyright_id":"0x6fe80b8d54244a68aec3b77d2ab48d5032e8aeffcef56d2c4dbae05d0343b87a","isrc":"USAR18400165","name":"Ghostbusters - Extended Version","registered_at":"2026-06-07T06:25:26Z","spotify_id":"16aXUhFz72AMXxQVHn83fH","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe80b8d54244a68aec3b77d2ab48d5032e8aeffcef56d2c4dbae05d0343b87a. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/16aXUhFz72AMXxQVHn83fH.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/16aXUhFz72AMXxQVHn83fH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f2aff44374b72a435ab20d480b428ac7b912779ddb741cd0d9f1fcf4eaed045. 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/4NA2SIMzvpkxtyfHIHVFh6.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/4NA2SIMzvpkxtyfHIHVFh6.
{"copyright_id":"0x9d01a05d7b8f2c1b24f17b43d5fd4ca364c7f34eb410aa9519911212a0ae0355","isrc":"QM4TX1849973","name":"What You Won't Do for Love","registered_at":"2026-06-20T02:28:07Z","spotify_id":"4GBXm7mIVUxGclbmwHkC6R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d01a05d7b8f2c1b24f17b43d5fd4ca364c7f34eb410aa9519911212a0ae0355. 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/4GBXm7mIVUxGclbmwHkC6R.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/4GBXm7mIVUxGclbmwHkC6R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. 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/57mnAiMK3xcNCy5OGwBWdq.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/57mnAiMK3xcNCy5OGwBWdq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. 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/4XS3SBxzn8ueAMO0sd2cZl.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/4XS3SBxzn8ueAMO0sd2cZl.
{"copyright_id":"0x6fe80b8d54244a68aec3b77d2ab48d5032e8aeffcef56d2c4dbae05d0343b87a","isrc":"USAR18400165","name":"Ghostbusters - Extended Version","registered_at":"2026-06-07T06:25:26Z","spotify_id":"4pI05V7GPMcOYRzn8oo9X9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe80b8d54244a68aec3b77d2ab48d5032e8aeffcef56d2c4dbae05d0343b87a. 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/4pI05V7GPMcOYRzn8oo9X9.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/4pI05V7GPMcOYRzn8oo9X9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ko6Fvmvth7KSeZZFLOCQf.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/1ko6Fvmvth7KSeZZFLOCQf.
THE STAFF BAND OF THE NORWEGIAN ARMED FORCES
Green Hornet - New Music for Concert Band 2011-2012
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/25cOpXxcbE1HyqYb11UQwi.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/25cOpXxcbE1HyqYb11UQwi.
Relaxing Classical Playlist: Music for Breakfast
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0113c0d3ff187b8b4093b6a60dfbcdfcbad6f2a1c9144f0afd9a0c389a86e0c9. 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/3Xq80BudItCcnaPhTmLvfR.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/3Xq80BudItCcnaPhTmLvfR.