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 0x52748df1fac55f8e44e5a563a9ee8ed9b1e37d79ed840e87fd70bca19e1644e2. 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/44bc0327-85b7-449f-8cc6-3ab4a3a6c47f.json and https://artists.proofprofile.net/proofs/artist/44bc0327-85b7-449f-8cc6-3ab4a3a6c47f.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 0x751f7640b2b275218632b1811c0e8c02cc33eed0370f4b7e155a6d42a6d26ff6. 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/7rCahyRviSc9qfSRK9Z29O.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/7rCahyRviSc9qfSRK9Z29O.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2bd2ad0e81fa128f8eec501b8aca71805b5c87c3bd57e1180679124adf32a1. 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/4IVk7dGJZxkI9GiWSu4zav.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/4IVk7dGJZxkI9GiWSu4zav.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d908026e2fc6ba4294a56f3fe491eb3d3a6a0d1ee371b5237e582caadd3083b. 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/1coWnfuNcrZkcH2m3sUs5M.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/1coWnfuNcrZkcH2m3sUs5M.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13ee5f2557e2c0d30c0fc80aa886481803a5847d5676b038ead8fd0c0e022fc8. 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/4XldgTVVji347f7CgZdlPe.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/4XldgTVVji347f7CgZdlPe.
{"copyright_id":"0xb5db305152dee27a18b1664fdb055232e05ba5afadd405b1809ca76eb0f22b2c","isrc":"US3Z40800822","name":"No Hago Mas Que Buscarte","registered_at":"2026-06-29T19:17:55Z","spotify_id":"4PxBT4C6bnD8Ha6BzyvufP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5db305152dee27a18b1664fdb055232e05ba5afadd405b1809ca76eb0f22b2c. 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/4PxBT4C6bnD8Ha6BzyvufP.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/4PxBT4C6bnD8Ha6BzyvufP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3bf00895b93439c8240e2354acb5577517444e7c75b13f4577584004c24d3fb. 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/2KsWFITnYXo2JuvAZSKUuS.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/2KsWFITnYXo2JuvAZSKUuS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc5820d98fca23956bc0a5aa1739eebf8331456bcdcb5fd907d506ad7be3eb76. 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/18WQ9bhrf7Ih8EuHpmwiQN.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/18WQ9bhrf7Ih8EuHpmwiQN.
Latin Hits 2016 Club Edition - 65 Latin Music Hits (Salsa, Bachata, Dembow, Merengue, Reggaeton, Urbano, Timba, Cubaton Kuduro, Latin Fitness)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce93c4405f1d996dd080d9484e61e2cecca5ed8a6a5eca00b5069a91a91dca27. 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/2zHgz7X52WqdckhjMJj6mt.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/2zHgz7X52WqdckhjMJj6mt.
Bachata 2016 - 30 Bachata Hits (Bachata Romántica y Urbana, Para Bailar)