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 0x3bd7862b6dcd029b9597eb20ba38f16eeb2d64f14e971de6ccb4bcf7ba8abd52. 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/ec3c50df-b23d-4931-b5e4-cab48a38dcfa.json and https://artists.proofprofile.net/proofs/artist/ec3c50df-b23d-4931-b5e4-cab48a38dcfa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xd5f82154c9699f50911b0c77d5d1b20af5781fcdd9621ad4df189c31f67482da. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4V2A7GXs2w5N9nzfaCMGpN.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/4V2A7GXs2w5N9nzfaCMGpN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a01c1e46b7cf410b403afb67a653ed40b24be5e4737106dbf9c43b321c415b6. 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/5XMZBqEgZlAE7LTs6bilsY.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/5XMZBqEgZlAE7LTs6bilsY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86f44a375ac55fc6e781759443fd41b5fe49ce2d07e48025fa9a3421602379ed. 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/62S2dCuEX9rh656Nv0SXmP.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/62S2dCuEX9rh656Nv0SXmP.
{"copyright_id":"0xd5f82154c9699f50911b0c77d5d1b20af5781fcdd9621ad4df189c31f67482da","isrc":"CH7812221359","name":"No Strings Attached","registered_at":"2026-06-09T18:27:23Z","spotify_id":"1XbKGH3tdmTMuSAEecHHEh","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5f82154c9699f50911b0c77d5d1b20af5781fcdd9621ad4df189c31f67482da. 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/1XbKGH3tdmTMuSAEecHHEh.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/1XbKGH3tdmTMuSAEecHHEh.
{"copyright_id":"0x5b79f9bf56e82ef9cf643008276d1b5f5dca4b35ea2615ff809fa1e360ac597e","isrc":"QZTB82219498","name":"Worst In Me","registered_at":"2026-06-18T03:14:35Z","spotify_id":"58nVunsISfLyC4IKvlsASM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b79f9bf56e82ef9cf643008276d1b5f5dca4b35ea2615ff809fa1e360ac597e. 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/58nVunsISfLyC4IKvlsASM.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/58nVunsISfLyC4IKvlsASM.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63b39db59b30255ee50420f593e14ce72077f7466b0e77e21b4bb585833ad5f5. 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/2gYqtOFXlsou7doT5TMqae.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/2gYqtOFXlsou7doT5TMqae.
Energy Booster - The Workout Hits, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b00b4e082dffe1cb38ac354228a17e7e846a33f85396e6a05e74835757f3229. 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/4Uxg9U4S4eKIMebiQFN4ym.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/4Uxg9U4S4eKIMebiQFN4ym.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe85c4f4f69e7c747a3249a8fc4a230d1a25b9429f5c0b9729bd61e3362baca52. 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/71IEE5PLMITkLqW79B5KX1.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/71IEE5PLMITkLqW79B5KX1.
Sport Motivation 2023 - Die Hits Für Dein Workout
Gaming Music - EDM, Dance and Techno Sounds 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0b48d78398e81099323f2a6bba1e79947a53e284784f6adfbc97dbdc009b24. 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/3lsaCXY238dhR9GW9DEV5e.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/3lsaCXY238dhR9GW9DEV5e.