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 0xb6fb62981db1f9ce340c210ad199a1ab96a0b054f6ebd71978e4e18bcee30e4a. 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/3a78e9d6-1ddb-4149-a8f2-1169d3e31d26.json and https://artists.proofprofile.net/proofs/artist/3a78e9d6-1ddb-4149-a8f2-1169d3e31d26.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a2f6a82fa0d46eafaf7ed6d2cb97aec5300f693ec9ce173050139301ad7da29. Chain 2 (Bitcoin): anchored in block 957805 (2026-07-13T04:34:37Z), 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/GBKPL1674222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5529ee1e35414c08290dba7c439a587c3846ca1137f08de30b80e6c423a70ddf. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:07:34Z), 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/DEUM71705683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14c65014f30f1c0be141aebb219a2f10ada19d16203aa9296e1ce1e388c721ca. 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/DEE861806025.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f29bc26a5bfcd5dd41cbb22f9173151f71ba5f9792d3fd7bcc1e7a89416c19. 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/DEE861900864.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19ba32e7b91791eaa246b8dc7cdea3adc3d1060b973c70c41ce130a7749b178b. 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/DEE861900865.
I Didn't Know (feat. James Gillespie) [Acoustic]
I Didn't Know (feat. James Gillespie) [LIZOT Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1fea21b5e5225a6cb513ebcdc2a21042599d2ba319252ab4a389391a5ab160. 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/USUS11800011.
Drunk And I Miss You (feat. Decco) - Remix
Drunk And I Miss You (feat. Decco) [Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f37f28d13c6789a80cce41ed1860c8af87e2c48a0ea3c8a783c3ec39fdc27a. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/DEQ321800595.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89ac71d2646a672a13a2e42d6d553299ca207836f4b55e336e09932b94b0d773. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/DEQ321800322.