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 0xb023ef1342d0ef028eb573f85869b7ec41aeea14efa2a0373ab13b4b51e0ec9b. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c0d91780-0382-4037-b330-4998d83bef2b.json and https://artists.proofprofile.net/proofs/artist/c0d91780-0382-4037-b330-4998d83bef2b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
草木不朽（《千秋》广播剧第二季主题曲）
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 0xde1f78d17ffb5c20d87395cb716b9d85de19d3be260be5d8cebbbacb65d7eaf5. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5nyZKSIW7HZSKmf13yEwS0.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/5nyZKSIW7HZSKmf13yEwS0.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b1d49f9a7d92e0f6c1236c089d4dd1f69b80670e10f89bf0342004d24f0d77a. 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/7AxY85hT6FZ5h2cQw02fDl.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/7AxY85hT6FZ5h2cQw02fDl.
武林也要与时俱进 (《一梦江湖》同人广播剧同名主题曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8bc80059b6c3925317e8dc4779ec7a946426bbfb0c32ff67074ca6fc3c2b5c1. 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/4BVhkEx3TONVjAPK7Ry7h7.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/4BVhkEx3TONVjAPK7Ry7h7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee62e024430ed9f68dc9cd1f3f50d0bfc978b7a22fbcc8a0313139f1d5aa532. 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/5gPzJJWE6xK4N5GlrxD7fV.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/5gPzJJWE6xK4N5GlrxD7fV.
天生最相配（《哪吒之魔童闹海》电影同人曲）
百战成诗2023 - 游戏《王者荣耀》113英雄群像献礼歌
百战成诗2023 (游戏《王者荣耀》113英雄群像献礼歌)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe11f52604b461fce667907c0580cc217b263c181596870f5d58597d7032244b4. 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/4FwmDnuCoN3Jd07jMju8So.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/4FwmDnuCoN3Jd07jMju8So.
百战成诗2023 - ——王者荣耀·113英雄群像献礼歌伴奏
繁华之下(王者荣耀·长安风物志同人歌）
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f5df84f26091544003f4e0c6fdb1f4629bab83847a6d5e6d644a7e03b870bf6. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Jc3LAFYdx0TupnmcA7rwj.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/1Jc3LAFYdx0TupnmcA7rwj.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c3cd3500ec768642d7068076b31f56c38c458089837e670fc8f3876ce2a9cb. 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/5fFcVnrhw5fl3wT7B8lVLd.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/5fFcVnrhw5fl3wT7B8lVLd.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8e4131329c4cda7dae0fc1017e429f1ed18d98a1c4f2a759ce55aa63c6a3906. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/79ek3pZKX6dkNyNUv9QDMv.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/79ek3pZKX6dkNyNUv9QDMv.