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 0x54fc7d240b834cebce2de23f1aaa98e314f7611d0a21ae8a00f4bf746a29c8bb. 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/77955747-e19a-4e99-aba3-bc202439e2f3.json and https://artists.proofprofile.net/proofs/artist/77955747-e19a-4e99-aba3-bc202439e2f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0xffd77d7c51cae1803db7278cc266d3e46cdb2a158465b6ff7bba2cdfe6d3b9d9. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T06:27:23Z), 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/GTA031200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71a6601c228d07701787c4a3036e52197051b5fc6008d6deb412db90274e872c. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/GTA031200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28a08bf9f40dad39b2ef5cd65a3b959505a120de9c351491efa5fcda5558c66. 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/GTA031200107.
El Rebotante Las Fantasias de un Solitario Sol y el Arbol de Calabazas
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795eed2b2c063fb7830691ada8a4bacaae24a19dc43676a065f2bae117cd1431. 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/GTA449900004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x645385a7858c9be704c77476e71b5c6e910bf7231dc5bd38d8664ae40dcd1cc9. Chain 2 (Bitcoin): anchored in block 958246 (2026-07-16T05:55:09Z), 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/GTA449900005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d0b7f56fc6062e7ebd22a8711cab8b38d0edca269c19d250e17058135add9c7. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/GTA449900008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d1f1e50f39206f1f2618862157328e4407bdc4a1d0b5d4cc681b53549cf2a4e. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/GTA449900013.
El Mito de Jade (Concierto Acústico, En Vivo)
El Regreso a Xibalba (Eléctrico En Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7d6e6eb2396d6afb7167e53e95ac82aac845888b2ac41f3b3f039942a32c72. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/GTA442400010.