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 0xa8ee22afcd4d5e18e2b91849effbd63a8cbcacd7db750f4d927fb40e6a635435. 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/a65a670b-e062-4f05-ba58-4d055af78874.json and https://artists.proofprofile.net/proofs/artist/a65a670b-e062-4f05-ba58-4d055af78874.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Ya Nos Vamos A Casar (Remasterizado 2023)
Cumbia De Mi Rancho - Remasterizado 2023
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 0x43b89fa3df192cb9ff2cb6c615dc1694d3baf1c5c30875060ada1e91e544ae3a. Chain 2 (Bitcoin): anchored in block 958631 (2026-07-19T00:50:09Z), 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/MX4972300248.
20 Puras Buenas: Los Laguneros de Puebla (Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ea2ef926889d4a6a0cac1613897982065952228f34874e005937a016d19f83. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T21:08:39Z), 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/MX4971513933.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x513c5b17a88e76e22234bdbcbb1112c8e93a3a79eb48d6e0f4a3aacf24df520d. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), 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/MX4971513934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad73d4391f41e0d3d2ef7bafec751a2a36790fe005ede3fa34363aa4c1183e94. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/MX4971513936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e2ae6983a052a3b1828aaf5707fbc94245777524da25706f674e502bd525782. Chain 2 (Bitcoin): anchored in block 958587 (2026-07-18T17:06:26Z), 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/MX4971513938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0da9e2f5c6ae4f3a9ce6490863d60aef9ec073e897644940ebbe199d48242ecc. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/MX4971513941.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfca8e9f7b92b3667fb9c26188338bd617e1a4e000f55709b402700d239fd0c98. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/MX4971513943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x596a597fae7748fda92220c2238aa6d7b521b1385b2397aab1c248e6c3220042. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/MX4971513944.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf077b2001f58ae05e0ee0eca29ad62209ad671c0c14286226294da327cb39596. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/MX4971513949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d305d7464dc5d3406d36dd14ef868625f04026f6091edb5196938490f8c436. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/MX4971513950.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0efebf1e0ea1a6d2c748d8d34ddf43c3efc67f0a2aafdc87043f81ad667234d9. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GX38U2139726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6ba66d88ec165f69f1eaa5607322b8fa04bb0389bb48c50f5d7fba12cb59551. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-20T00:09:46Z), 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/GX38U2139729.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9e7071a4830abe49d6cd82ea9f48fd73f63139f51acde8bf8a98fee52413c0a. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/GX38U2139731.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x719d2c8ed76148a49a25c598a6233d45f76dbdffdde4358b0b863b0151a58505. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/GX38U2139733.