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 0xc2a38991d2ba126a2e0cdb4d872afa8d2793f030b08f1db1d3ece3b97e8a6b5b. Chain 2 (Bitcoin): anchored in block 953625 (2026-06-14T11:37:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/265f7440-f9b3-49ea-b102-6229cdbf3e32.json and https://artists.proofprofile.net/proofs/artist/265f7440-f9b3-49ea-b102-6229cdbf3e32.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 0x48c1137ef094fc3c3bd4b79b2e5cfdc5b9b02bf617dd8e51e338f1af0eb786a4. 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/GBRKQ2312136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca42e33ba970443eadcb39d72359183b332839f1aa87cd9dc62e2b56f924c2dd. 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/GBWUL2186104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f000938afd6e0e506b89cbd91468f10c745d6815d4c81df13a304edb4f179d9. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/GBWUL2134831.
All Gods Fall Down (Zardonic Remix Instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x348b77b58f1cd85ec986e0c94182559fe79ae8936f9983cf90018435dbbc8db4. 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/GBWUL2187100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b16987f3e535f535e5e49c8f7ba423009105a3f483d2eb1e5d87f5a47674bba. 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/GBWUL2135055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e2c36536a7647efc438e81a7147fd21e1dc568b370ea42b7c11563f115b2ed5. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/GBWUL2177144.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f000938afd6e0e506b89cbd91468f10c745d6815d4c81df13a304edb4f179d9. 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/GBWUL2134831.
Tradition of Torment / Heart of Darkness
Guys from the Gord [Ocean Grove] (Saltee Remix)
Guys from the Gord [Ocean Grove] - Saltee Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131727f43a8e48c6dae15aa1c3733649944323fbdfffc9d4b2bf6e716aec2e1a. 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/QZHN42056442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc00d5b712ce73632483d201e729bc6cb2ddaf21bedec425323c4dfd446f51345. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USUYG1300806.