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 0xf297c96d37194cee66d36acefd42606617e3d3ded49ca7ce14d1208b5d680cbb. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f5dbe514-524c-4d9e-852c-bdaed8f171b9.json and https://artists.proofprofile.net/proofs/artist/f5dbe514-524c-4d9e-852c-bdaed8f171b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Hymn Lofi Instrumentals Volume 1 (lofi Instrumental)
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 0xef1fac5953db5669f58f2941b1da886a5d0f2e2e61dcb56b53b7e1c07b1c0e56. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/QZHN62198402.
how marvelous, how wonderful - lofi Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45e2c191d8b5de36576a33c61b9de9a2e2e7b3898b63585b5cfb61733c66a98b. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZHN62198405.
my strength when i am weak - lofi Instrumental
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbd843781fc4ddbd5394181156c8ba1417523d6f9b3ba7f831e0f33269655466. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T08:53:43Z), 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/QZHN62198407.
Hymn Lofi Instrumentals Volume 3 (lofi instrumental)
Hymn Lofi Instrumentals Volume 4 (The Coronation)