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 0x104f58294a6a2feb8a16eccd4183125f300ef39ed6fe03631e374012d2a4725b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/48f23ea2-00ab-4a35-8735-42ca736ad554.json and https://artists.proofprofile.net/proofs/artist/48f23ea2-00ab-4a35-8735-42ca736ad554.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
String Quartet No. 3, "Mishima": VI. Mishima / Closing
Classical Music Essentials - Best of Orchestral and Piano Classics
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 0x1c7c911ddeecb254dfa81a4fb496bf9675b144d9d098b8ef982cad806c3bf604. 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/DEE861903696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb517a5c16386e4c71bcfeb0e3531688cadd4dd2dfc77b58ba3fe236faff0537. 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/DEE862000032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7c911ddeecb254dfa81a4fb496bf9675b144d9d098b8ef982cad806c3bf604. 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/DEE861903696.
Peaceful Classics - Relaxing Classical Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7c911ddeecb254dfa81a4fb496bf9675b144d9d098b8ef982cad806c3bf604. 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/DEE861903696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25789dc6623a97713a885f80b46fd1da816ffceb76976622faf41c17b17b89d7. 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/DEE862000031.
Reading Soundtrack - Relaxing Classical Music to Read
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7c911ddeecb254dfa81a4fb496bf9675b144d9d098b8ef982cad806c3bf604. 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/DEE861903696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7c911ddeecb254dfa81a4fb496bf9675b144d9d098b8ef982cad806c3bf604. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/DEE861903696.
Chariots of Fire - Piano-Quintet Version
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769c0ccb87a466ac05e9b171efd7ce5fbc0cf309e49c161debad9dc68682b88f. 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/DEE861800438.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c7c911ddeecb254dfa81a4fb496bf9675b144d9d098b8ef982cad806c3bf604. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/DEE861903696.
Movie Soundtracks & Filmmusik - Best of Cinematic Music
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769c0ccb87a466ac05e9b171efd7ce5fbc0cf309e49c161debad9dc68682b88f. 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/DEE861800438.
Instrumental Motivation Boost Soundtracks