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 0x1d9caa30452435ecba23a064cb2b7e723a7add20eda854344089b2b6ef80f3ee. 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/ef92fc5f-ad5a-4719-b8d6-18a16c4f25b6.json and https://artists.proofprofile.net/proofs/artist/ef92fc5f-ad5a-4719-b8d6-18a16c4f25b6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xb15f3b2d467c9d17237ad4ea2e657f8e4c2613f7deaf9931ec7ed30e0b86c0b2","isrc":"BRUPP1000107","name":"Can't Stop Loving You - Maxpop Extended","registered_at":"2026-06-18T16:01:49Z","spotify_id":"5qdQiElkZSubvjlHzJ4jlC","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 0xb15f3b2d467c9d17237ad4ea2e657f8e4c2613f7deaf9931ec7ed30e0b86c0b2. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5qdQiElkZSubvjlHzJ4jlC.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/5qdQiElkZSubvjlHzJ4jlC.
Revolution of Love - Maxpop Extended Mix
Revolution of Love - Filipe Guerra Remix
This Moment - Yinon Yahel & Kapler Extended Mix
To the Ground - Macau & Leandro Moraes Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb273ad2ae7078947cd826e3e4281e1ee6cc0196947be33fff1cfb91470cf118f. 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/5NCQxhJtqCnFC7ZjeCPhQz.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/5NCQxhJtqCnFC7ZjeCPhQz.
{"copyright_id":"0xcda5989e6e99e33c68cb1b683e9dcdcf026d5387aba58facfbdd80836ac973d9","isrc":"US7VG1910140","name":"Breathe Again","registered_at":"2026-06-09T11:43:22Z","spotify_id":"4yjjbfv93s8QBbKLlBjYbu","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcda5989e6e99e33c68cb1b683e9dcdcf026d5387aba58facfbdd80836ac973d9. 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/4yjjbfv93s8QBbKLlBjYbu.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/4yjjbfv93s8QBbKLlBjYbu.
{"copyright_id":"0x3a45cbacba7b4358314766b78b83e53f51dda89fb0f29f49c96aaaab021248d4","isrc":"US7VG1910141","name":"Revolution Of Love","registered_at":"2026-06-09T21:28:46Z","spotify_id":"3I49hxZrKjWEHbL0SqlSZ7","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a45cbacba7b4358314766b78b83e53f51dda89fb0f29f49c96aaaab021248d4. 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/3I49hxZrKjWEHbL0SqlSZ7.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/3I49hxZrKjWEHbL0SqlSZ7.
{"copyright_id":"0x194d79314dd80a1ee95a083686239ebe95e4cb1cd94a5f46b4c93eb5fe66074b","isrc":"US7VG1910142","name":"Cant Stop Loving You","registered_at":"2026-06-07T22:43:37Z","spotify_id":"6hNkBlAWh9xJSyTMkon4nd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x194d79314dd80a1ee95a083686239ebe95e4cb1cd94a5f46b4c93eb5fe66074b. 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/6hNkBlAWh9xJSyTMkon4nd.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/6hNkBlAWh9xJSyTMkon4nd.
{"copyright_id":"0x97ed149de50b1f744ac80af6ba39b25717f3ea04c11f6c34ff9db5b2d393d9ba","isrc":"US7VG1910143","name":"Brand New Day","registered_at":"2026-06-05T07:04:14Z","spotify_id":"6wNzTzHpil99UKdhUHx1f3","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97ed149de50b1f744ac80af6ba39b25717f3ea04c11f6c34ff9db5b2d393d9ba. 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/6wNzTzHpil99UKdhUHx1f3.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/6wNzTzHpil99UKdhUHx1f3.
Chama Que Vem - Maycon Reis Tribal Remix
Flash Pose - Anne Louise & Lorena Simpson Remix
{"copyright_id":"0xcb2f1e130395a6036ea33184d43d2189cb189388114e9071a941a974e057ea66","isrc":"BCM112000022","name":"Flash Pose - Anne Louise & Lorena Simpson Remix","registered_at":"2026-06-07T07:11:22Z","spotify_id":"4KRHLA2A68IuFDyK5pvmJ1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb2f1e130395a6036ea33184d43d2189cb189388114e9071a941a974e057ea66. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4KRHLA2A68IuFDyK5pvmJ1.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/4KRHLA2A68IuFDyK5pvmJ1.
Brand New Day - Luis Erre Dubstrumental Mix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03ff65d69d262b0767186257ef964fcf40f1ba67c2d45b7fadfec20b474d6d1b. 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/53oEjyZGpbmJHAyyabzJ4C.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/53oEjyZGpbmJHAyyabzJ4C.
Bate Leque (Extended Mix) - Johnny Bass Remix
Bate Leque (Johnny Bass Dub Mix) - Johnny Bass Remix
{"copyright_id":"0x08e40dcee842943fd57736b8bc6a29d81b9eb663a52b6e6e69e673bae374a606","isrc":"QZHZ51957891","name":"Bate Leque - Filipe Guerra Remix","registered_at":"2026-06-27T17:56:49Z","spotify_id":"5pE3BCxLZopTtNJZBxKXkY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e40dcee842943fd57736b8bc6a29d81b9eb663a52b6e6e69e673bae374a606. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5pE3BCxLZopTtNJZBxKXkY.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/5pE3BCxLZopTtNJZBxKXkY.
Bate Leque (Extended Mix) - Filipe Guerra Remix