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 0x5a1e3046a8844c8b925c3b2e40b081bd414d44e62eae19c8f827673f4e387d69. Chain 2 (Bitcoin): anchored in block 953704 (2026-06-14T22:58:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/79da9987-b4ad-4461-a1a6-8a8bb8496b15.json and https://artists.proofprofile.net/proofs/artist/79da9987-b4ad-4461-a1a6-8a8bb8496b15.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Que Me Lleve el Diablo (Ranchera Version)
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 0xd553be4be11859b4bc85acad91ef42cc0f95b77747e8b96181f57d98d576f82d. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:24:28Z), 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/GTA011100813.
En Que Trabaja el Muchacho (Ranchera Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68b9d172262904c082e987770d6df06c5247e8ea9b6f4ec2aee0fcbfa5fc05dc. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GTA011100814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0b6576da6d5b4ca78395553c7b37ade2c2946f31be6ef324a49e04b10fd130a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GTA011100816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032ed98eb96a50195bebb78ba036b2ebfaeadf94ea8b56c897e34f8838f2c262. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/GTA011100820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d9d722c68181e144e6e37e1fa3d9869f029b74ebfd7b2b05b8333fb91fcc4ce. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T08:19:47Z), 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/GTA011100821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7151152db09cc2f0a35a52c290d7a95dd00fd8f240a08c54e25b53d56b2471. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:32:13Z), 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/GTA011100824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe602c463586be51e8a332439d2384094e4ae31f17559952121e24e0ab8012632. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GTA011100825.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255632d09d57aa3745672cdf3b2591b8edc20140d3b4b2ee81deec272ae864f3. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), 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/GTA011100827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a87eee8f2dd05c175f8019af0f034eb4a543b955c42031458cd41fd7f9b666a. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/GTA011100829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa74c5aad812cd10699ff62a61ab04795a40a6bc3fd4d4e46dfe38160e734d6d. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:09:07Z), 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/GTA011100830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f06c5c588b0033a8228caf112106cde89c851948e6f47363d2209fdfa0abc8. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GTA011100832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x798c3f9c90b70a09a4c3a062528a288460ef08e9b70fd1e78f6a038ade39e8be. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/GTA011100833.
Insuperables 2: Música de Guatemala para los Latinos
Merengue Mix 6: El Serrucho / El Caballito de Palo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45f6e466627b905d18a5bd58362462a6eb8d73fc92f26c3f1b3b18274d837b6. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:06:01Z), 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/GTA011403392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dc29b0648752f0aa83739810c80ee7e01983fffdfcf06be7b71900c817d027f. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/GTA011403394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3ef5c1e36aff09cccd53633e2e9e4ab0c7962ff886055cc12853148b68250cd. Chain 2 (Bitcoin): anchored in block 957565 (2026-07-11T12:18:39Z), 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/GTA011403395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e6ab0cc8e3bcd208ba67abece92ab0b621e70f74f51b503b47ae79274e179b. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/GTA011403396.