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 0x8e7aca68af2c48d7c8680693b3f292701fc13f060be19f90bc8795be3ed20744. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0c7d35a-6f8e-468d-a35a-e25d3f1d47ee.json and https://artists.proofprofile.net/proofs/artist/f0c7d35a-6f8e-468d-a35a-e25d3f1d47ee.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 0xf69b10872fd37e1c26ab5c7295445a121628c4b732ec7eb9bfaba6e2f9af8e9f. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/BRMKP0200075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed7912c83f7b296c38409b41005ad3e6be6969530273e09ca83daccf3a0788c9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BRMKP0200085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x302fce66417d1066ab3561072bcecc194fc465d06326d4272cac33da4cdf0f56. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/BRMKP0200087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x383d22cf3bd86c0b104a44cb8039832631a5dacfcea7404a9d0a5bbfe6a332ba. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/BRMKP0200084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x188b9d55598ff00b7f50388419cd43d1655092854136367002d310e41217d252. 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/BRMKP0600694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f7ac27ffa6550c2dc7bceaa553112cbee172fcd261aa927186a2045b68a40b4. Chain 2 (Bitcoin): anchored in block 958617 (2026-07-18T22:07:13Z), 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/BRMKP0600700.
Igreja Batista Nova Jerusalém - Collection (Ao Vivo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3234191324f3485e1b36dc173f1773df4b2379f3b50e72334ac216443116efeb. 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/BRMKP0200082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a5118d05eb2b1db3e1afb598efe2412e3a9394f31f99a6e440be56f242ed7d. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/BRMKP1400378.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626d8e03e26b0a6bb8fe602db6cf8ad7beb6d26ae2ca08463532af6fa547ad53. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/BR4UA1800007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5f30af20c13bb345f9c6af727abc8a0d3c61faac8742dc01be36fc4238993b. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/BR4UA1800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b802c5df445fae6abf4cb5d8d52235b586a50e7306a4b2d94ab2d7d349e1142. Chain 2 (Bitcoin): anchored in block 958668 (2026-07-19T05:16:11Z), 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/BR4UA1800006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x626d8e03e26b0a6bb8fe602db6cf8ad7beb6d26ae2ca08463532af6fa547ad53. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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/BR4UA1800007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf5f30af20c13bb345f9c6af727abc8a0d3c61faac8742dc01be36fc4238993b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/BR4UA1800011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc87d98f190c15b1f2becfd01ee5fbbabc5adec0ce47fc380e904d35ceab4651. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/BR4UA2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc87d98f190c15b1f2becfd01ee5fbbabc5adec0ce47fc380e904d35ceab4651. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T20:09:37Z), 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/BR4UA2100001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316253e206b2cdfb9b829147aae4466bf5bc11b04ee84f78f87a2566954e849d. 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/BRMKP0200081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca13c269c5f0a3dae2d8b7db3bae51ecc87378ecb0c6f5da8e7f42981a9889bf. 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/BR4GA1100100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x316253e206b2cdfb9b829147aae4466bf5bc11b04ee84f78f87a2566954e849d. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/BRMKP0200081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d0be65489d27cf5622e09fbae3d6084d7483f1e1f0878f9d60de7861eda77c9. 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/BRMKP0300293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf678857b5008fe0662294d398fec0bc2ecb39c0c8a4fe5bc7fa5853bea49aab2. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/BRMKP1700426.