1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xe9b6d5403d49eabc302d2ab26d4621e413a13d9b02220c71932a284c49fa2446. 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/89873d60-4aa1-40e9-8026-22bba08ce218.json and https://artists.proofprofile.net/proofs/artist/89873d60-4aa1-40e9-8026-22bba08ce218.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 → block OTSBitcoinBlock must exist at that height 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 0x90ad80a14d4e1858b88d4ab17fd2121e60bd3b86dff0b8e0b61d695edd307fed. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/GBDHC2118601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7bc9e88573907e55335d9096a69329cee5256c68f7de39a245210505753ce0. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:31:41Z), 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/GBDHC2118602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eab17e3efdd4fa36a0b7f16e32be542c9817d6880cdbe14b58408761511a668. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/GBDHC2118603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b94a4d835816f3f37e76c5886ebb41cfbe233b6fd3d6682448780bdc209fca4. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/GBDHC2118604.
Prospect of Immortality - Live in Athens
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dd9230f300e66aa4024a11b7202102244570d14da8a2c3b6fd7ea162f9285f6. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/GBDHC2551302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x437e2313967edd6472f6a793811fa475b7b89387ef66382b7bf8970715e56b58. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T19:03:18Z), 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/GBDHC2551303.