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 0xa72ff521b107817396c52432354a3d072cd94e7782101a420a5a333963dac2a5. 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/bb1928c9-0b8d-4890-a31e-29a44dde4cca.json and https://artists.proofprofile.net/proofs/artist/bb1928c9-0b8d-4890-a31e-29a44dde4cca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xab1ec87c3ff7b55ac3d88a4b127eaad99dedcb59469aa754619e88ac184c12c4","isrc":"BCVO92300064","name":"The Guardians","registered_at":"2026-06-22T11:52:52Z","spotify_id":"0V4hXutyBCw2HjiL3Dqk5P","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 0xab1ec87c3ff7b55ac3d88a4b127eaad99dedcb59469aa754619e88ac184c12c4. 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/0V4hXutyBCw2HjiL3Dqk5P.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/0V4hXutyBCw2HjiL3Dqk5P.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f295b1aeb363b7dd2e77600a7af521e5fa90dae4ff6459c4f2ee75cf4c1dd8. 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/57dOi289JTHBYPn4D692Q6.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/57dOi289JTHBYPn4D692Q6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad77c5664ef576331336b73c06c032e96b2a3e4b95b9efc3247d697f8c67d24a. 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/2W5aUTDf32APbK5VFkuQVi.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/2W5aUTDf32APbK5VFkuQVi.
{"copyright_id":"0xab1ec87c3ff7b55ac3d88a4b127eaad99dedcb59469aa754619e88ac184c12c4","isrc":"BCVO92300064","name":"The Guardians","registered_at":"2026-06-22T11:52:52Z","spotify_id":"50zuINm3kzvsbHfecGKbBS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab1ec87c3ff7b55ac3d88a4b127eaad99dedcb59469aa754619e88ac184c12c4. 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/50zuINm3kzvsbHfecGKbBS.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/50zuINm3kzvsbHfecGKbBS.
{"copyright_id":"0x36f295b1aeb363b7dd2e77600a7af521e5fa90dae4ff6459c4f2ee75cf4c1dd8","isrc":"BCVO92400001","name":"Love in sound","registered_at":"2026-06-08T05:59:13Z","spotify_id":"1h1jVVTxMnqaDe5SlzhWE1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36f295b1aeb363b7dd2e77600a7af521e5fa90dae4ff6459c4f2ee75cf4c1dd8. 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/1h1jVVTxMnqaDe5SlzhWE1.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/1h1jVVTxMnqaDe5SlzhWE1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dbbf01e1982fbe8b176ddee3e856e7aab37003396d7a8aef73c560ba7b3e03f. 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/4YdwkSCmd4Mt84WGkvD0RC.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/4YdwkSCmd4Mt84WGkvD0RC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f8e9021b5d0f4e54d25371076b4b8653fd1870e2279771d0398cc39fd03b8cb. 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/5kkHYmAdcPTGwrz58CyjJW.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/5kkHYmAdcPTGwrz58CyjJW.
Mama India - Blazy, Groundbass & Tijah Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58bbeda20871385a874ca25eddf6f56123121dbdedfda096abb01ebc065fa4e0. 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/70XQ2nnVtymlKK0s2jpvDD.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/70XQ2nnVtymlKK0s2jpvDD.
{"copyright_id":"0x37b303c2d505268b7751b559d523a7c61fa2e57ab2388131d2827530198df116","isrc":"DKZVA2200186","name":"Mama India - Blazy, Groundbass & Tijah Remix","registered_at":"2026-06-05T16:02:30Z","spotify_id":"13r2e0AfIDDHqHnnbe5wqL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37b303c2d505268b7751b559d523a7c61fa2e57ab2388131d2827530198df116. 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/13r2e0AfIDDHqHnnbe5wqL.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/13r2e0AfIDDHqHnnbe5wqL.
Futuristic Club - Dark Techno & Progressive House DJ Mixed
Dark Techno & Progressive House Music, Vol. 3 (DJ Mix)
Progressive & Psy Trance Pieces, Vol. 23
Progressive Psytrance 100 Hits 2013 - Best of Top Electronic Dance, Acid, Techno, House, Rave Anthems, Psytrance Festival
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0192d704fee819a437f06ca1b0116ce1e5a22fdf009d8116475e64a05db07d7. 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/2AOmTB8IJm0decOoE21PxI.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/2AOmTB8IJm0decOoE21PxI.