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 0xc9ca62f3af4c693da4d347fbb28ee384b52c49ee1c36737a00ec4cfe33c9c66c. 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/5c13e126-d49e-408a-b53d-60a0cb22e8c6.json and https://artists.proofprofile.net/proofs/artist/5c13e126-d49e-408a-b53d-60a0cb22e8c6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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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 0x36c647b1b3636433bee83a97fae5690d101ad46dd3d05ddfdd95a5e03d238a15. 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/QZHN62178976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d5d50573a2af3d673f64e2cd38a3e4ff09e379dac0544f37f60a9a957ebad44. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZHN62178977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcfa47f99840065360da810677166ac7e7d32ebde84ce13b801589eabe567674. 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/QZHN62178978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60d653a404982f17560337a7d6d5e944eeb924c23103af8ca723c77daf27b66c. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:46:18Z), 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/QZHN62178980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f8c2515d48571ebb1f0ca1d73b8fa84488d77620f485ae84ffe1d04b26e4e2. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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/QZHN62178981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c69b53a12701f44057c80c6732da7080641d6737080e66bb2634d15f7a201b5. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZHN62178982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cc3624d77ddd3073714dee46b7beac59852c7e47bba3164c060a3a8f4b91314. Chain 2 (Bitcoin): anchored in block 958865 (2026-07-20T13:05:06Z), 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/QZHN62178983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe4a3d338565740247c7e3eecd7958b8cbd9fff434e877bb5a729fb4a9e6582. Chain 2 (Bitcoin): anchored in block 958891 (2026-07-20T16:03:26Z), 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/QZHN62178984.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf13150da8c572007fbbd502737702a1935c119ab4a362007016bbde87a77b337. Chain 2 (Bitcoin): anchored in block 958839 (2026-07-20T09:33:02Z), 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/QZHN62178985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80930e9cf7deb441814fa863c50661593edd97339fe7c4a0ae63343449735e9a. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:37:20Z), 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/QZHN62178986.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x885e758999d13c2f387785d30b8d47b67cf6c947f3bf8f5ac34ad036e71b9d27. Chain 2 (Bitcoin): anchored in block 956742 (2026-07-05T05:07:15Z), 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/QZHN62178987.
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528Hz Energy Cleanse Yourself & Your Home Vol One
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e75445d2addeff17f6ea07ce70a9d94912fe97a94dbb4c670adacaab261a7bf. 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/QZMEM2162319.
528Hz Energy Cleanse Yourself & Your Home Vol Three
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacb311020816ab3d09c5bc9f14f780fecea3695ceaf377c12235cad76f6f0bcb. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZMEM2162321.
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432 Hz The Best Sleep Music Album (Insomnia Relief)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f2038d9585e0ba3b4bd143a178b85251392d9782c757849daca51262148107. 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/QZDA62275636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a93c57e83ff5c28a170e74335cfea5bcbb75a30e3420e83536952ee9d5f1ded. Chain 2 (Bitcoin): anchored in block 958711 (2026-07-19T09:26:32Z), 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/QZDA62275638.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c55ef0cab3fb3f21687a008eca409123295d11e18cf4c0087beffe04f88ba76. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZDA62275640.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40060434c84d1424b7110343ba27e5bfebbbda0f3fd514832a0b67c1c24f51cd. 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/QZDA62275653.