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 0x276689103edaef40beb9313383b3ff7b25225c3f2de7752aeea699835a622015. 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/e57efa5b-1a77-4ef8-8228-d6853e8819a5.json and https://artists.proofprofile.net/proofs/artist/e57efa5b-1a77-4ef8-8228-d6853e8819a5.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 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 0xa6bf8eb4e204056d70c0dcd69b686ade3ade6b066d34daa8cc3dfbb199937204. 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/GBLLT2143358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf14a4418ae5e70810620f38d826c955f2b9f37e47daee3cdfd1ad77285d71d90. 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/GBLLT2143359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c24ca06b7646454f509531a9dce6b5d1d3410a981883423dd65f4727300c688. 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/GBLLT2143360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ab65914cebe2329dfc469c3fdde74c85cae5ea0cb5bfd51f1d8fd6dfdf0496. 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/GBLLT2143361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7c7c5368f5c97bc79fee893b760646f6a40e250b8eae802b375c1f39628a2e5. 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/GBLLT2143362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd538130ce0f3a1c393025d4e8d0bb99c16d7f994247cfb70ea7711a8ba9a29e2. 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/GBLLT2143363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7d438834edd84b87965f808b39788d91e4ffd810bc5168a258f712bb1f381e3. 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/GBLLT2143364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x633db23e8914835b9f0e4540f293759233b2d4e531d90bb9f3dc2b865dd2e413. 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/GBLLT2143365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f647f2f36a7d1c9aebc5e01d90d8d34dc7c058696e47258482859d34ae135d1. 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/GBLLT2143366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8e610a9cc1d2907b1fd30c0fff147a5f0868a370f0db7c18e5a4608517bd9c. 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/GBLLT2143367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb9ce6a17aabb8afd05d091403dea9f58ddc7601d0c492c2ad2e65a0e517e891. 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/GBLLT2143368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ddaa130cb3aff08a88445b330cbd35e6a75cbb24cd2b00c7d16a1c98daa9327. 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/GBLLT2143369.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c2f2d8f24f5427a5bbedea431057af5a8d341d174f87d9091b561fb18889945. 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/QM7LB2101251.
When I Rule The World (Classical Edition)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb93b967793c3ad7dcbfb4c75bd053f76b79489f811203607afb415d255a839. 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/QM7LB2101245.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21a305025d5d87ac1941b8458c46dfbf1ee36be295989ddced276487ccedda19. 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/QZGWX2177081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9878aa431c899e5d2355f8f98b7ba918cd962d0290a9318f3e3f471c9d869dca. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZGWX2177082.
Lockdown Movie (Original Motion Picture Soundtrack)
Biking Borders (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd47b5d2b88fe0fd72994fb2bd753c71df2f941dbe04ba5002458197a1e936876. 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/QZK6L2597991.
Wildboy (Original Motion Picture Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13b501e737d3dfbad49bf7dfb772ca8d2c70c11e117e4f507a2b0a81e3403737. 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/DEMS42504121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd168d9832db221994cb0fa9b5a217abba3f86bdc0f1abb204f77435e7e0022d9. 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/DEMS42504123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x377363c32772e41cceb2c1aaf63a73fa76e825e1904690998216628e19def0cc. Chain 2 (Bitcoin): anchored in block 959134 (2026-07-22T16:21:15Z), 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/USA2P2467172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb72909e240da41c97a6fd37592d8e6e5b430f264026e18848d78c8e996ebdce5. 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/QZPJ32415467.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaba4c09e01606654daa5286b3933fb13e29eeef40d45c11477ae5703f44d056. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/QZPJ32299884.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78ba7e2c8a962c0adebd95f00cbdeba7fbc69022096d13c9a9bb52d525f57b73. 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/USA2P2505055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecb0660cee0e1e258971cf4962daeb0b2e6e7506e9436d7652384e50120fc40e. 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/USA2P2505056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1888e497a90e84387df7cf1aa4073d4e687dac4357eed2f30400b91ecab08d14. 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/USA2P2505057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32680e92064f1ccbdc57422cd87474da9a47d4152ee61c7fa668fcc9dc52416. 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/USA2P2505058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb913c5daab99a098206dd1af9ca728ed84a46c9f1bd950750d5fc6edb75d44da. 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/USA2P2505059.
Experience the Solisium (THRONE AND LIBERTY Original Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0e83d99d496f36a5fc940367dfded7991a81aa489ea56e2373cce28ebb8ae73. 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/QMG492108908.
Blue Wrath Awakens (Lineage2M Original Soundtrack)