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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5399e478dc07c4176f0d4888492f0d0395a69cd786ccd7252342aaac28aaef20. 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/3a62b2bd-f24f-4296-a0c6-41966824a3fa.json and https://artists.proofprofile.net/proofs/artist/3a62b2bd-f24f-4296-a0c6-41966824a3fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Push - From "Rain of Reflections" (Original Game Soundtrack)
Into the Night - From "Rain of Reflections: Chapter 1" (Original Game Soundtrack)
Imperator: Rome (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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290152b29fbbc4acbf6b6aacf4c65e7f6cce3145abe15a43995cf01755f21051. 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/SE6CZ2300901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc121ab4ddbda05fd834f1e6c77822d443fc6f9b693170a5dd95c70ebfe7c38f4. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/SE6CZ2300902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d2833ad877bc3c1f6672ce5ea8851a3e8349b0069faefbc09350a60dcb6710a. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/SE6CZ2300903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa92e423b5aae4af228a2ba5ce9274c577526d66a454c65012b6368e08ff565e. 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/SE6CZ2300904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21d90ea17277e5a35209807c20ae3e1176e855128ceb5dc16124db1d1636356e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE6CZ2300905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b3e9b1a70f2371bb8f5bb369b4d4b612bd1e698e2882578665fb019344b84c6. 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/SE6CZ2300906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e94af30a567097778a79d91ec1f9d1421cd60b8bd0bbb52b4fbffd91d55c42a. 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/SE6CZ2300907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2215f37874ca17eac71fd0906c3332e146428ccbedb52ccccef6a135fe733703. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/SE6CZ2300908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97464e55b904052d5d053615e8dd5362afc882f30f78df37879d5e26999da415. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/SE6CZ2300909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac7435c205f2993f7123a3878898f90f6da2f9fbdac331fda9bd18c69cbfb5ed. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T19:59:12Z), 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/SE6CZ2300910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94678e647cd9ed11ccb0ef13c5fa5f943bf938ecaeb54f03162ebc5b509e7152. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE6CZ2300911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ad9a729e447e7be2ac802075eda955abd1d029f796effbe73680b3e8f0fb987. Chain 2 (Bitcoin): anchored in block 959155 (2026-07-22T19:37:09Z), 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/SE6CZ2300912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f94358900effd4b0e813559717468170ca76ca12d038f94c6a00b0d12c0fcc. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/SE6CZ2300913.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66d5eee39f10e2d282d1a935b9bec648adaf0a04cad1e75ee2fc48d9d0412188. 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/SE6CZ2300914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3092ed9212ddedeaf2842fdbf997145f9a548439297e26f40af3ca669f5fa2c0. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/SE6CZ2300915.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2b8ffd2c428431403f00699b04d1d4ab18b280a370d71826c0296b52294b73b. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T20:32:35Z), 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/SE6CZ2300916.
Imperator: Rome - Digital Deluxe Edition (Original Game Soundtrack)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x829486816bd2dbe904c4a19fa9438af88ef8e9e37ed06a3bd5d4cae98a40c2c5. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/SE6CZ2300401.
Rain of Reflections: Set Free (Original Game Soundtrack)
Imperator: Rome - Magna Graecia (Original Game Soundtrack)
Rain of Reflections: Set Free - The Encounters (Original Game Soundtrack)