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 0x64aeaf594ff33ed1c71de11419da5e0373306b8795519a15f85092bb38429d22. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4e5f985-f27d-4203-adeb-4dda2ae4b182.json and https://artists.proofprofile.net/proofs/artist/b4e5f985-f27d-4203-adeb-4dda2ae4b182.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
這麽久沒見（電視劇《你好檢察官》插曲）
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 0xf705d89e29bfa6e9f1f757af1fadabb9478ca0587848a79d6ddc8b04977b6cca. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CNZ501900821.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a8c9c37227c12d29292f970b42f8a5ac452ed2770f94a15ffb5f817719d824. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/TWU711801393.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51b80d17ae0f99fe8bb09a9547e7c3f1fb55a658b661a0eb7a68b4f0df568cfa. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TWU711801394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ef5e2021f235e1a7960d9364cefe9d767d0ae8171836d11d082bba4a68d623. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TWU711801395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25e2a7dc91be126c9579f495cdd917fd1c6f08951c2ff3af0fe066b558fdaeba. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/TWU711801396.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf5d1c78228a818d0ebac6d3936fbfddc080f1c9996a1267035649e113c1676f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/TWU711801398.
The Very Best of Golden Dog: 最佳主題曲, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x74b857ce3ca86af0434375d364d966a6bbbdf2b29746a4d648242e41be8a2c77. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/TWU711801404.
天地無霜 (電視劇《香蜜沉沉燼如霜》插曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8bf0096801367495f50e7243ccf4667f0d8c1e9b44bce8d58990d12c2b9db9d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TWU711801975.
不染 (電視劇《香蜜沉沉燼如霜》片頭曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8462bae0e40c93269d00f7be4f29cb42e511f14114137daef840fe801cf2024c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/TWU711801375.
初見初戀 (電視劇《人生若如初相見》插曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ef5e2021f235e1a7960d9364cefe9d767d0ae8171836d11d082bba4a68d623. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/TWU711801395.
境遷 (電視劇《哦! 我的皇帝陛下》片尾曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e234f817a903b36a62837d3ffb81660aa7df2fd78a624aa849168e714d612f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/TWU711801554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84acaa1281d037ef0cdf0d1d17be3ef03d1a50d395e5d68ece87fed34e14cb5b. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/TWU711801973.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd0ea5c73e1f3523b2abb37f8b882ec8ce26bd5d55cb3bf8bd70d6684eff4337. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TWU711801737.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1508842a34dc10a2dc832ac13120a07ced60288fe3bd7cfd82605346e0e65079. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TWU711803387.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2fafbc67b7197f77ac94263337419f05a3a361595d1af3f2126d33e172c32e3. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/TWU711803385.
昨夜星辰 (電視劇《我們的四十年》插曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0336f29512ce6dc7209a84e237bd4e990f3892631fa594336d0ff110ac9730a. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/TWU711803342.
焚城雪 (電視劇《人生若如初相見》片頭曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a8c9c37227c12d29292f970b42f8a5ac452ed2770f94a15ffb5f817719d824. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/TWU711801393.