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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24f33f5d24521fee9c0ad39d36d11bef14adb5ef9378a46d132695bc05074ad0. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fe4481d9-62b6-4eca-90da-bae4422d4430.json and https://artists.proofprofile.net/proofs/artist/fe4481d9-62b6-4eca-90da-bae4422d4430.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Tonight It's Party Time (Ghostbusterz Bounce Mix)
Billy's House Drumz (Ghostbusterz Club Mix)
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2164a542447639666728de40977d585db47d0c9681846cdcc22211f31bd4048d. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEH742301740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d232dac7a940cef4a4aa69dad889eb27b3406a84ca197f79222a74b2a3aa58. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZNFJ2402772.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa13b7c571201d889dc3feb2738d1fb23df745dbb33f7f99d611fee2c8eb26f63. 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/QZNFJ2301079.
Voices Inside My Head (Ghostbusterz Club Mix)
You Started This Fire (Ghostbusterz 2023 Redubb)
You Started This Fire - Ghostbusterz 2023 Redubb
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ace65085453c42c42c420fdd7754d9529bee5f8b0acec228ff35c8b7731fc53. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/DEH742302004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d881b6b28984997c29b8ac2a6cc3c0565c1b0fa27fd7ce5667f4e33b33b5bbd. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QZNFJ2209466.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84a311727cce2c81d847d98dd91e404d59949b50bbd35d35904b9cc29801f06c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZNFJ2209461.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2ed4a1ac38a85d03137c7a8d288b1b229954782b9cc750523096425169332bc. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEH742300775.
Magazzini generali (Ghostbusterz 2023 Redubb)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98f69f0231158aaf38bb74e9c1d02f7af962943ffb324b8ff5383a9d15d588e5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEH742229897.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f60994d93c82284bcd28bf9569ce611827fd3d7283b9d0b08d8d9aa3955132c. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZNFJ2202939.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd99f8ea307fc915ed6b715141f9b865ab78ce0f3d41e70389d51cc0a128e0ef7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZNFJ2203098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5491652f53a5e83217b810ba472ecea8e08c9a74e4c37e7b056d9c0aa057c11a. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZNFJ2202408.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c283e0945d3fdb43e6e84f04ecc7c4fa38adc739b6072f53aac785cd198cbe6. 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/QZNFJ2213801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x180a8b50cf6bd97f1a39d4cd1b2e35b9e3428d35899f1ed7bd9311bf212e1dda. 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/QZNFJ2213797.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3130b563e35f0974f497860057b21062c07be94b40461ef06cdbba5520ab975b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/QZNFJ2205923.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x252363dd895cd21c0b92a6bb2734ffde6e99eee31aba07470db58215d9ebbbc3. 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/QZ4WR1600799.