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 0x360a7f4dd5370d6a1fe75666b0561d96b18342fea29dfbf731d31c287732a7fe. 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/70d6253a-bfa7-4c3d-a981-e31571e2dd85.json and https://artists.proofprofile.net/proofs/artist/70d6253a-bfa7-4c3d-a981-e31571e2dd85.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0x15ee2cd1436a946f066cff57626c35a10a95fdcfad418771b56a9d0d01f1ecb6","isrc":"ESA012214498","name":"Amatista Verde (Intro)","registered_at":"2026-06-07T15:14:30Z","spotify_id":"4BBKP14cEdOp3n5jizofQH","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 0x15ee2cd1436a946f066cff57626c35a10a95fdcfad418771b56a9d0d01f1ecb6. 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/4BBKP14cEdOp3n5jizofQH.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/4BBKP14cEdOp3n5jizofQH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a6868706b7b9f0b4b939b6815c46276f24592f73f48610c1084befb05411aae. 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/7LQLltxhu5FsoSoVQPH96Z.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/7LQLltxhu5FsoSoVQPH96Z.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe59c89ea91442549cf11106f8a98fe88223c3dac93f1b050fc1582f4afcdcf87. 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/07r9tA6xCbOsFfyNkY14pT.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/07r9tA6xCbOsFfyNkY14pT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94f3912963bbf4fcfc341302046af420080ff4b5dc58db7d8a8762c9ada7ea5d. 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/0hGNru9ogab8Y4OdOU49sF.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/0hGNru9ogab8Y4OdOU49sF.
{"copyright_id":"0xeb23763ea4404016af0e20874c1270e6d44a69fe6c1ba90e1cbc0c9ae1c5a0d6","isrc":"QM4TW2345818","name":"Mamita Mía","registered_at":"2026-06-08T14:20:19Z","spotify_id":"4HYNW2KFRGCYi43edaQFxi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb23763ea4404016af0e20874c1270e6d44a69fe6c1ba90e1cbc0c9ae1c5a0d6. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4HYNW2KFRGCYi43edaQFxi.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/4HYNW2KFRGCYi43edaQFxi.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5fad9f76c6b0b473194d5a2418b87189c5258ce057e4b01f748a0e2031048b6c. 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/4Jvyty3EfsXWyYu3eF89g9.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/4Jvyty3EfsXWyYu3eF89g9.
{"copyright_id":"0xeb23763ea4404016af0e20874c1270e6d44a69fe6c1ba90e1cbc0c9ae1c5a0d6","isrc":"QM4TW2345818","name":"Mamita Mía","registered_at":"2026-06-08T14:20:19Z","spotify_id":"1qiOROENQjZnGDBRuEQqX9","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb23763ea4404016af0e20874c1270e6d44a69fe6c1ba90e1cbc0c9ae1c5a0d6. 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/1qiOROENQjZnGDBRuEQqX9.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/1qiOROENQjZnGDBRuEQqX9.
{"copyright_id":"0x982c26685c626baee81bc94a00019dab6734254d7c6ee5cf91d892bc884b03d9","isrc":"QM4TW2300914","name":"Familia Numerosa - Remix","registered_at":"2026-06-06T19:03:16Z","spotify_id":"6PbMqSoCQ3nhmA6zdFKfV1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982c26685c626baee81bc94a00019dab6734254d7c6ee5cf91d892bc884b03d9. 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/6PbMqSoCQ3nhmA6zdFKfV1.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/6PbMqSoCQ3nhmA6zdFKfV1.
qué serías sin mi? (naxito jüeves Remix)
qué serías sin mi? - naxito jüeves Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ca371aece14946fb180368eaaf6bd462651ba2b9043338c86e51e2e3b0d10b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7wdsXTjbvUe83jvq4yOE2E.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/7wdsXTjbvUe83jvq4yOE2E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3ca371aece14946fb180368eaaf6bd462651ba2b9043338c86e51e2e3b0d10b. 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/3YuD6GmNBLtoX07sD9D0b9.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/3YuD6GmNBLtoX07sD9D0b9.
{"copyright_id":"0xf6a2c52e9b7f94e2cf633c39fe176f20145c2bd0e3720fee23242cc40b1d2cd1","isrc":"QZTAU2157903","name":"Era Digital","registered_at":"2026-06-23T14:28:46Z","spotify_id":"2RnWEaz8LJ51qnDarAFFEo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6a2c52e9b7f94e2cf633c39fe176f20145c2bd0e3720fee23242cc40b1d2cd1. 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/2RnWEaz8LJ51qnDarAFFEo.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/2RnWEaz8LJ51qnDarAFFEo.