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 0xa32d1adb283c7c445bf6dedda9d42d28b3ca6dfa15c14a493b0457b5a3a145b8. Chain 2 (Bitcoin): anchored in block 953605 (2026-06-14T07:39:50Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/120d0118-c512-4ff6-aaa7-7700a66d394a.json and https://artists.proofprofile.net/proofs/artist/120d0118-c512-4ff6-aaa7-7700a66d394a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
就別愛我（東森戲劇台韓劇《泡泡糖》片尾曲）
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 0x7a783acd7ba4e3e98bad8938ae73f8a4f62845b5ec81b5330052c81b66dc2f73. Chain 2 (Bitcoin): anchored in block 958163 (2026-07-15T16:35:32Z), 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/TWCD51777783.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7611acb98072cf6f1e534d293491c3bf665dcab4b687a6ac558337117b76514. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:40:47Z), 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/TWCD51877785.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e87437e999e8863f406ce44b7198070c2096b86a58580e970e2ea4f48b366a. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/TWCD51977706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14c55e45ba637ed31e65dd968a13de869344ef60defc9372ee3a6670242eea05. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/TWCD51977708.
怎麼就不愛了(同名網路微電影主題曲)