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 0xb12bab99aa967dc9e04621d764661e2a1ff661d99c149ad9cc9b21088f3517fb. Chain 2 (Bitcoin): anchored in block 953633 (2026-06-14T12:47:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/33447ab4-4916-4815-ab02-da26d194eb32.json and https://artists.proofprofile.net/proofs/artist/33447ab4-4916-4815-ab02-da26d194eb32.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 → 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 0xabd006c84e91e50d417b22ef389f2429aaf9189beee91e6c3ab6eeedb74f1070. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/QZXNY2400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4744deb896b41070ad3e0ff846ae3a9c9dbd2d9ebdf539ed9b2138629ea4919. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T18:53:10Z), 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/QZXNY2400059.
Gentle Gaming: Journey for Piano (Deluxe)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd006c84e91e50d417b22ef389f2429aaf9189beee91e6c3ab6eeedb74f1070. 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/QZXNY2400012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x037d456a3de763fa223c65de393b7da13c8f50cb21d0f01b11c580e796c4ff2f. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QZXNY2400056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4744deb896b41070ad3e0ff846ae3a9c9dbd2d9ebdf539ed9b2138629ea4919. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZXNY2400059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe34e6e7d6af1a50d7fdbd60b544dd1154d0cf71af121abfa639c67c5c309f785. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T04:29:26Z), 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/QZXNY2400058.