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 0xa710c5a4832598ec3d2184919565255b4e95896228bdf46040c0c9af6cb57151. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9a4ea8db-cee8-4b33-863e-62c7a6d4a460.json and https://artists.proofprofile.net/proofs/artist/9a4ea8db-cee8-4b33-863e-62c7a6d4a460.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Wilmot's Warehouse (Original Game Soundtrack)
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 0x3828c651eb1d834a2218617ed3875c7f8e00b50d68d6db759096abad51c965f0. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/QZFZ61963849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a70fbae5b12b533920c3a24293bd2a5b38e09b97bc3bbcd29d5950a3ed75d4. Chain 2 (Bitcoin): anchored in block 957671 (2026-07-12T07:35:31Z), 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/QZFZ61963850.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fab94828da5cf49c4eca7a10fd21837d47983d1cca55dcefcee2b87a55912a8. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZHN62093968.
A Monster's Expedition (Original Game Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d17b777dce6c8a059b7357348592ae564627dffae9cbeeb8fce86ad6f755f3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZK6M2089647.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d671a1b72c4e2d011d52f4dfaa1f012507692e97c37b07512a486c103bf4d50. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/QZK6M2089649.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f1f136ad493487ec3755dae395c7e120901ea9eeeb29ac1a8b2ba891db27dc1. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-17T03:18:37Z), 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/QZK6M2089650.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f09fd42e9d6e9648b2745bec60603785044cab4480ce72e0eca243f65ddd63a. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T05:42:46Z), 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/QZK6M2089651.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a47292ee1cc3f4fd21da2eced42d1fff930df7f8a5f2984e073bcf776aa337e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZK6M2089656.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17f450459252abb50e8cda61a1058421073af3a37beaa4bf6a055ba315e85112. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:30:44Z), 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/QZK6M2089657.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a7054c65c25ae945393d82ed8ac3452b26dd7c343fc33baeb6491c7a1f1e14f. Chain 2 (Bitcoin): anchored in block 958447 (2026-07-17T19:47:19Z), 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/QZK6M2089659.
No Longer Home (Original Game Soundtrack)
Saltsea Chronicles (Original Game Soundtrack)
Wilmot Works It Out (Original Soundtrack)