1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x1fb4a1ccecae81e17b236bedce9aee4320c7ac2db17916c07ee6d285754828e5. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0fb09833-9b7d-40bc-8e03-9f72368a2da1.json and https://artists.proofprofile.net/proofs/artist/0fb09833-9b7d-40bc-8e03-9f72368a2da1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Capitán Del Espacio Y Su Cumbia Intergaláctica
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x333c6c94ee5a1ba6ba183ae0938f417bbf99cbaf908a55cc90bd7a0838d9e084. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH2176171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df4bf00da5da950e23d2421b4fd0a216eb2b5cf1b4d0746a017f6d97645acd9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42106037.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08e5d03f5a832cae4b142b41663bf1001c493999e92c8c9f92a04bc88f5369ac. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42106041.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90dda90ede7bccb7df5965bccf27dd15729a8d2479b18e21abd53e669bda0e11. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1758487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9573fa4b4fdfb0f52e9188542a0ba6a6bd06bfb6dc96b8303de442aef1c9929a. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1758492.
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Lalalalalala (feat. Los Caligaris & Sr. Flavio)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96cbabe07eda47929715bc87b246b9d4f7fb745b646f6d597c837d51d551bc77. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525382.
No Te Voy a Esperar (feat. Hugo Lobo, Big Javy & DR. Shenka)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366cecf0d73cfc6661ddde952c216ce58ab64993203810d3704bb87053c9ff3f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525383.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed454acbff4422d2e910d5ac2aa6a696d53b0b1d2fd954f03a1d3fa6ecac8167. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525391.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1252b43982a9be5924e1ea62cde2fdd806a2a8e8b7c8e43e0dc5a30839129c9. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525384.
Cada Parte de Mi Piel (feat. Jorge Serrano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8fdda6e81307bd71baa1f20e7239c379dcba51f2ad4958016cda4040dbf5a39. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db3feb58c8113c5e5ca764514ff304ac5ec239457ee93c180a188bb3c482ff7. Chain 2 (Bitcoin): anchored in block 960383 (2026-07-31T09:50:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96495aefba90b7c3a9a98917003a8b8f78ef3ecae76005d365957e6799e4f974. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525387.
Otra Copa (feat. Karen Pastrana & Big Javy)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x163393c8b6915852750249c42757ca72e994a64bdc68f82d0c8c13f43fce18c9. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525389.
Tomaremos el Mando (feat. Jorge Salcedo & DR. Shenka)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8c70f1f2f1f1ecbb34f8076a1cfa315b0a8e06b20a58f7eecf5970cc5a2bd89. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY41525390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54335957a5f207a8737742b1b62491e0e43e7af03b011cbc3b850caca3ffd90e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2281972.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fe832b4a3aeac3deee7b59d22a1a5e01f3637b50a67bbaa7bc17fb1d457f2b6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2070980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa50533f395f9320b83433b717f3ddaa983b63988e278b6c435886727f5140dd1. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2511819.