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 0x16c6fc585ea1691c04eadc31dff31c1922e7cf50058a5c202a56b10ca07971dd. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/33af824b-9436-496d-a507-1b29371eb82b.json and https://artists.proofprofile.net/proofs/artist/33af824b-9436-496d-a507-1b29371eb82b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nigel Hard 2020 Mixes (Remix Contest Winners)
Handzup! Will Never Die (Competition Winners Edition)
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 0x172c662731da0f22a21fcad28b3b6ea8d9c6f2cc0bd1852a544bf767cd27680a. 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/DEDM61400589.
Bookie Wookie (Celebrate the World Cup Mix)
Rgmusic Records 10 Years Anniversary Party - Hands Up Edition
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8e82c37417ec7dbc687a1b825736af4327a4fb49845a7d8baf7069a97d7ec96. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/DELP71100107.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa5313c4880be278485b23aeb1ad5d562f7b705eff68e073128c568ce8655dd. 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/DEB551422182.
Running Machine Man - The US Fitness Power Traxx
Handsup Party Power Pack! - 50 Top DJ Tunes!
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc4f4e6dbe84eecabb93229fd67996cfe4e425e2ba4eeab8da3806b49a17e60e. 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/DEZ621300047.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01dcd9869671c1e401bb749de4129df32e9aae76d79f7d5f1683f93b8d090c6. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DEZ620400081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15d9ce4e470644a57a1eccd1ffa591087a46d367b37e5eae3e622d302fa4ad97. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEZ620400053.
Still Lonely (Edition One) - Phillerz vs. Blue Radio Edit
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf43613d6ae7339f40d418ce57d4bfae46265d6d2e95276ce4f6e13a4147347c. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEAR41642781.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x416deb55d3eadbef1e731bdceb1405948a7be98c79526101b7cf00b973cc1fa6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEAR40811996.