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 0xb09b00123e5e35c99e0fb2f3ee21ca1f09e6df86a3efd0556689b47a17af337b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a747c91-2b8b-4537-8764-c2ed79500e00.json and https://artists.proofprofile.net/proofs/artist/9a747c91-2b8b-4537-8764-c2ed79500e00.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
What Would You Do? (International Version)
What Would You Do? - X-men Remix Version
Nothing Stays The Same - UK Bonus Track Version
City High Snippets - International Version
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 0xb26f2252aeca0e37a4d0b6929174aa620430399aaf6fba553150578475988bb3. 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/4TEhB5JLoJnI2PrWujG8Yr.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/4TEhB5JLoJnI2PrWujG8Yr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x405a19fd39f8d346169b1b26702331932988890b268c674b30584f6aff3e3fc3. 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/0GU2ol4ngp5pYOltTxPkSR.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/0GU2ol4ngp5pYOltTxPkSR.
{"copyright_id":"0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304","isrc":"USIR10110002","name":"What Would You Do?","registered_at":"2026-06-04T12:46:53Z","spotify_id":"5ItMG1KrMU1kdIS8opVCvs","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. 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/5ItMG1KrMU1kdIS8opVCvs.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/5ItMG1KrMU1kdIS8opVCvs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. 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/4AEhv5LERyH5D8N5xp6MOc.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/4AEhv5LERyH5D8N5xp6MOc.
{"copyright_id":"0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304","isrc":"USIR10110002","name":"What Would You Do?","registered_at":"2026-06-04T12:46:53Z","spotify_id":"4Bg5Uc7Kc9NTvJmuFjL7lT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. 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/4Bg5Uc7Kc9NTvJmuFjL7lT.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/4Bg5Uc7Kc9NTvJmuFjL7lT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d1c051aeaad10eff74b41caf9a0af4e39c99c0ff90024ba7a4be4b5dfa1ccf5. 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/1Z8MFpIQAtaXbaS1HYpIV5.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/1Z8MFpIQAtaXbaS1HYpIV5.
{"copyright_id":"0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304","isrc":"USIR10110002","name":"What Would You Do?","registered_at":"2026-06-04T12:46:53Z","spotify_id":"5jqlnjUQb7jsyWQpu7AuLT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. 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/5jqlnjUQb7jsyWQpu7AuLT.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/5jqlnjUQb7jsyWQpu7AuLT.
{"copyright_id":"0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304","isrc":"USIR10110002","name":"What Would You Do?","registered_at":"2026-06-04T12:46:53Z","spotify_id":"221IvrJjZwbyNkGHmJFRnO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/221IvrJjZwbyNkGHmJFRnO.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/221IvrJjZwbyNkGHmJFRnO.
{"copyright_id":"0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304","isrc":"USIR10110002","name":"What Would You Do?","registered_at":"2026-06-04T12:46:53Z","spotify_id":"7duf6SDaGXT1ic9Q8ZHKYI","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. 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/7duf6SDaGXT1ic9Q8ZHKYI.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/7duf6SDaGXT1ic9Q8ZHKYI.
{"copyright_id":"0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304","isrc":"USIR10110002","name":"What Would You Do?","registered_at":"2026-06-04T12:46:53Z","spotify_id":"2648dyCgcTFNkJZXgGlHPv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe504e82984be08c1bd605e5ca4af21b48828b4e99a20acf00794ee6bda12304. 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/2648dyCgcTFNkJZXgGlHPv.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/2648dyCgcTFNkJZXgGlHPv.