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 0x17536a6ee094cec0cb1892c140fed8422fde24fd2d1a18f824b6b5b552f923e1. 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/e146b4ac-5ba3-4800-bf62-560e09d7f068.json and https://artists.proofprofile.net/proofs/artist/e146b4ac-5ba3-4800-bf62-560e09d7f068.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
The Best of Japanese & Chinese Meditation Music
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 0x96d74152ad9e8168860342cb5c316a34ecb9e3d39ebc13ae9b8ae2861f8b3b21. 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/USI4R0815799.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848a0c62b116d5447fde46590f9d5a300924aaaafeca3c50d7c228a0e01473c0. 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/USI4R0402834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x758b477b49bd384f9fa6e672d8d3c417da66aee4e5e1b1e21d50463e94f5185c. 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/USI4R0402832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ede1359d64cee436327815a35ebbcc2744c7d45963634eed62ece0f95eb88fc. 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/USI4R0402839.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x848a0c62b116d5447fde46590f9d5a300924aaaafeca3c50d7c228a0e01473c0. 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/USI4R0402834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e14ac290895e4a276ba0c63f2cc6c8182006c8f79703a5c09fa497e15921970. 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/USI4R0402833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ff1e6a566065493aa7541330bf0795d534d83dbb240e1bd8bbf35a7989df256. 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/USI4R0402831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x976ef2764ab6c09a0d2261de317781731c617dc62a36741bb4dc3114d2b127ca. 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/USI4R0402836.
Cosmos - From the Album "Breathing Spaces"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a6d915aefb9fd2beb02b446f7d41c9b6a739ec824329d608c4ef241650ea285. 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/USI4R0815836.
Cosmos - From the Album "Breathing Space"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96d74152ad9e8168860342cb5c316a34ecb9e3d39ebc13ae9b8ae2861f8b3b21. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/USI4R0815799.
Winter Sky - From the Album "Breathing Spaces"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f650668d357d06140483bb3b39c57995ea6aba1c282566ad815240bd33302a7. 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/USI4R1021092.
Nocturne - From the Album "Breathing Space"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22fe55553519f52510214f4d734af7231081cffaa3659778160a3f368eff687. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USI4R0815813.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf2de315071b587947bf13c768b7880360b8db59b43d88fb660d7aaf5e60ed16. 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/JPJ831703410.