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 0x6a18ea83c5a7a1a11216efcd53c61945d8a94a70fc8ca9e71707de101080298f. 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/8428384c-7ff3-4f33-9d63-d70c94cd0440.json and https://artists.proofprofile.net/proofs/artist/8428384c-7ff3-4f33-9d63-d70c94cd0440.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 0xc0dacac8280e73ce4d2e37dd318ecb0e3a48fe52a8fd730a49ceffc2987a1e86. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62MESuu3bbsNVVt1TiRubA.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/62MESuu3bbsNVVt1TiRubA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7e685a16d8d19d3927ca1d9181de5c41ec274d8a339e8c5add41e74f0c43e0c. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1np15t7h9MgyT2CB84eNmC.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/1np15t7h9MgyT2CB84eNmC.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a6f2477cda7f61e8c296acf150e0c36cd800a61465fd31b8c2a5740e0adb99. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0JAnPJdm7b1ZhHjR3z96Ap.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/0JAnPJdm7b1ZhHjR3z96Ap.
白光組曲 : 如果沒有你 / 醉在你的懷中 / 魂縈舊夢
洋中組曲 : 大江東去 / 多少柔情多少淚 / 雨中旋律
El Condor Pasa - Live in Hong Kong / 2010
組曲: 等著你回來 / 好預兆 / 愛神的箭 / 南屏晚鐘 - Live
組曲: 家家有本難唸的經 / 午夜香吻 / 好春宵 - Live
Make My Cot Where the Cot Cot Cotton Grows
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85ffacf07a0cce8106356edfe74a245c563ebb79ae63e9e621db4cb8140a5d8. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6sEuhZi36meBfsinPQxwnd.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/6sEuhZi36meBfsinPQxwnd.
金曲當年情 : 世紀國語經典精選第一集
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf85ffacf07a0cce8106356edfe74a245c563ebb79ae63e9e621db4cb8140a5d8. 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/08AWEv4FrRvmgQnUJ4pd2j.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/08AWEv4FrRvmgQnUJ4pd2j.