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 0x5118ee8ca0d6de58d8e33d005d78a757b74243549684ffdca5c7ded44ce92080. 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/93264d3e-5d87-4b31-a480-bcd135836847.json and https://artists.proofprofile.net/proofs/artist/93264d3e-5d87-4b31-a480-bcd135836847.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x6def6ea888affa51271ffe3bb4712f5d5c520fd98ad6f316cfbd4ba6fcaa2887","isrc":"USP6L1400202","name":"It's Cool","registered_at":"2026-06-29T10:10:30Z","spotify_id":"0QWAPTGV3lJp0FtBwAaSvE","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 0x6def6ea888affa51271ffe3bb4712f5d5c520fd98ad6f316cfbd4ba6fcaa2887. 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/0QWAPTGV3lJp0FtBwAaSvE.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/0QWAPTGV3lJp0FtBwAaSvE.
Sunday Funday (feat. Mod Sun) [Remix by ID Labs and Badboxes]
Sunday Funday (feat. Mod Sun) - Remix by ID Labs and Badboxes
Sunday Funday (feat. Mod Sun) [Remix by Id Labs and Badboxes]
Halloween Birthdaze - Audiotree Live Version
Sikka Takin' The Hard Way - Audiotree Live Version
Halloween Birthdaze (Audiotree Live Version)
Sikka Takin' The Hard Way (Audiotree Live Version)
{"copyright_id":"0x6def6ea888affa51271ffe3bb4712f5d5c520fd98ad6f316cfbd4ba6fcaa2887","isrc":"USP6L1400202","name":"It's Cool","registered_at":"2026-06-29T10:10:30Z","spotify_id":"4vBiVkopbmSWfmB5LjDqwA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6def6ea888affa51271ffe3bb4712f5d5c520fd98ad6f316cfbd4ba6fcaa2887. 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/4vBiVkopbmSWfmB5LjDqwA.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/4vBiVkopbmSWfmB5LjDqwA.
{"copyright_id":"0xd781008ef61412af5b0000daef037b014399b3d91cca94705fbd47e60de95753","isrc":"GBKPL2010800","name":"No Drama - Skulkids Remix","registered_at":"2026-06-10T19:03:33Z","spotify_id":"4HecsXVOxOxhSj8quGKwYu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd781008ef61412af5b0000daef037b014399b3d91cca94705fbd47e60de95753. 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/4HecsXVOxOxhSj8quGKwYu.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/4HecsXVOxOxhSj8quGKwYu.
{"copyright_id":"0xd0f7ca581433b678a7bc75d67fc39e51da2817fb19d3f6091c6cbd7fa9f0eb69","isrc":"GBKPL2096785","name":"No Drama - TWINSICK Remix","registered_at":"2026-06-09T18:31:36Z","spotify_id":"62kW6OTR2qNrdy5Oxhfqgc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f7ca581433b678a7bc75d67fc39e51da2817fb19d3f6091c6cbd7fa9f0eb69. 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/62kW6OTR2qNrdy5Oxhfqgc.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/62kW6OTR2qNrdy5Oxhfqgc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0630f7818341826a68447678ff3e0de5e4be246a2050c25a11de05e2ef05de87. 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/4oUBVGCSbfet4KkREJniZN.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/4oUBVGCSbfet4KkREJniZN.