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 0x194c3c48e0776d8c5b64a35780c4cec0da6c2ce6adc6f32d60e0d548b77c5d4a. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ed48d130-1097-463f-9989-f82aaaf9a821.json and https://artists.proofprofile.net/proofs/artist/ed48d130-1097-463f-9989-f82aaaf9a821.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 0xd238025fd09f51f665cf20cdcc0f655bc56fbb8a7c438a735497d444a791c656. 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/2SuD6NdvEBDIRO9Smt83Ac.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/2SuD6NdvEBDIRO9Smt83Ac.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78874ce543ad7b8da92c2462f1d2e40e72b503a3ae032c56215884be6f447bd9. 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/4okIJnJ7dkcYI3t6B8IUTI.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/4okIJnJ7dkcYI3t6B8IUTI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55161295550a3db10e866c46a9743e223c3d6e0ffe5d792b87c076012c0e7591. 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/1LbgEIlWDJLKmY1cSYMo2C.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/1LbgEIlWDJLKmY1cSYMo2C.
Iceberg (feat. WE$T DUBAI, Julianno Sosa) [Remix]
Iceberg (feat. WE$T DUBAI, Julianno Sosa) - Remix
{"copyright_id":"0xb7b5038de2a5e0f856690320e4d6ea4e7a23695bb4a3b0ac1779ef3115e7b961","isrc":"ES5152100355","name":"Iceberg (feat. WE$T DUBAI, Julianno Sosa) - Remix","registered_at":"2026-06-29T05:17:00Z","spotify_id":"1Xvfj6e9vy267FZVGZB3KY","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b5038de2a5e0f856690320e4d6ea4e7a23695bb4a3b0ac1779ef3115e7b961. 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/1Xvfj6e9vy267FZVGZB3KY.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/1Xvfj6e9vy267FZVGZB3KY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd73538866235bbb9d79fe712d30ffba1acdd4482018922e46795f4b83cd8428. 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/1ayt24s0I7YXh4m68L5TNP.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/1ayt24s0I7YXh4m68L5TNP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e09405da6269268e2102fcd1481127c8d2726d6d0f37aa760daac64f51bc25e. 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/1oQBh447rE2TEPCMAiPUt0.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/1oQBh447rE2TEPCMAiPUt0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x226e01334538b4c9713e8df83cb3a2aa666612f2ab3549466ab723b19c8b782e. 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/6WE9NHdv6fSWlnCAIYT9pl.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/6WE9NHdv6fSWlnCAIYT9pl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bb047f8f17e2352c5f6474af94921ccfa1b5e431052946211604a0cde46ee94. 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/6FMsEeWKGPdrNJ4uyCPiWy.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/6FMsEeWKGPdrNJ4uyCPiWy.