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 0xc111fa8479bdb24a2626465d9fc24a92d9b3f7cd50d4957a6a86cdfee6e901ee. 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/cbdc7492-0205-466a-b8a7-7aa600fc2fbb.json and https://artists.proofprofile.net/proofs/artist/cbdc7492-0205-466a-b8a7-7aa600fc2fbb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
My Redemption Song (feat. Sam Gray) [Acoustic Version]
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 0x24bc0447e78a15a96e6cb58485bfcfe9a2ff0291398cf6b256032bd1fdf47a00. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T01:46:58Z), 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/GBARL2000371.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fe51bd0f53189612799d47d9e9435939f24e5b2b508d8abace7d7deb17922a6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/ZZOPM2228999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a96e53e1f8f4475f37c29c026eac38e6a07c6a33a04f7115cf1037fa2788812. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SE6582200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95f4aeb2c4681e5507bbce21d72dc85a61fb5a13cfa40eb3bae5cf46799f42d3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FR10S2561337.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d36e15793d36f1e341dcfcaefcc1badc968ef22419c9394865a8349b43cfd7a. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FR10S2561338.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2031dadda1aeb1162289720cb2130e08ef31516d03c9fa2816dd6b6c92f0defb. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FR10S2561339.