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 0x04154a108c9a9c7b04f49919fe3e5e8773ba7361972d4b15b585fb756672d104. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/04647756-b8a4-471b-a87d-9d87d97ed1c0.json and https://artists.proofprofile.net/proofs/artist/04647756-b8a4-471b-a87d-9d87d97ed1c0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbd3b45e38c3d718de31ccd7ef8023cef6a3c5b8ab11e9529f8fead3435fc40. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3yLAosUomvcnvWa27B29al.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3yLAosUomvcnvWa27B29al.
恋の追跡（ラヴ・チェイス） - 恋の追跡(ラヴ・チェイス)
歐陽菲菲國語懷念老歌 (Classic Songs of Auyeung Feifei)
明日天涯 (On the End of the World in the Other Day)
恋の追跡 ～ラヴ・チェイス～ - 恋の追跡(ラヴ・チェイス)
金曲當年情 : 世紀國語經典精選第一集
Spring Flowers and Autumn Moon: Tender Voice Behind the Shadow of Life (ChunHua QiuYue: FeiMo DengYing Hou De QiMi RenSheng)
金曲當年情 : 世紀國語經典精選第二集
金曲當年情 : 世紀國語經典精選第三集
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbd3b45e38c3d718de31ccd7ef8023cef6a3c5b8ab11e9529f8fead3435fc40. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1xjj7VzEWT8owpsffEeMAM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1xjj7VzEWT8owpsffEeMAM.
金曲當年情 : 世紀國語經典精選第四集
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dbd3b45e38c3d718de31ccd7ef8023cef6a3c5b8ab11e9529f8fead3435fc40. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PUQy6flmtX6QlRRVT2n4g.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PUQy6flmtX6QlRRVT2n4g.