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 0xff51b78675c90505d7f9c7249f01bffe8dc3b7d77566e156322e445a6d81779c. 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/108ec2ee-a7d3-43d4-849e-26fdefa0763c.json and https://artists.proofprofile.net/proofs/artist/108ec2ee-a7d3-43d4-849e-26fdefa0763c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rang Wo Gu Du De Shi Hou Hai Neng Gou Xiang Zhe Ni
可惜了 (電影《大約在冬季》主題片尾曲)
可惜了 - 電影《大約在冬季》主題片尾曲
{"copyright_id":"0xe27de7b191f8c2dffb1fdb7ea4c30fb90fae098a138df0537c1fdf61b16ac043","isrc":"TWP231910002","name":"可惜了 - 電影《大約在冬季》主題片尾曲","registered_at":"2026-06-08T05:56:20Z","spotify_id":"5ZdaAeqBku8bAxdFwsG4qc","type":"track"}
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 0xe27de7b191f8c2dffb1fdb7ea4c30fb90fae098a138df0537c1fdf61b16ac043. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5ZdaAeqBku8bAxdFwsG4qc.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/5ZdaAeqBku8bAxdFwsG4qc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5beef4661c4cdf034f819a85342e96770ae0da3703df489cf493f337ab219522. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/15GSIYhsONcq7JxwdjW0w9.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/15GSIYhsONcq7JxwdjW0w9.
巨星向大家拜大年: 恭喜發財 (修復版)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x514cfb642bba56d716e4b7511bb0e1e6c4e191d35b2a619eb67bc795d9f09d2a. 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/5JhIVSVUeWgHe5X387CIU5.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/5JhIVSVUeWgHe5X387CIU5.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5e1b4ee0865b33054ad1605be796e535356c0cea5d7bdab7834c8955256a389. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2dLUuAlmtgQkLL0dLGpMcH.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/2dLUuAlmtgQkLL0dLGpMcH.
大約在冬季 (群星版) (電影《大約在冬季》主題曲)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3fd1d04a4b535e5f52e0db764f720a5a1244c0a15431d2c16905f99bace7b93. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0e455Ne7tA5VH8w3BKDQpT.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/0e455Ne7tA5VH8w3BKDQpT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5beef4661c4cdf034f819a85342e96770ae0da3703df489cf493f337ab219522. 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/140abA0nwwAcvO24lyCGNW.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/140abA0nwwAcvO24lyCGNW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5beef4661c4cdf034f819a85342e96770ae0da3703df489cf493f337ab219522. 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/3d09lKFNMjL28k0B0TcQhW.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/3d09lKFNMjL28k0B0TcQhW.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5beef4661c4cdf034f819a85342e96770ae0da3703df489cf493f337ab219522. 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/2CAyR8dnIGZ3IMvqUEOSTR.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/2CAyR8dnIGZ3IMvqUEOSTR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5beef4661c4cdf034f819a85342e96770ae0da3703df489cf493f337ab219522. 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/3CtTdKo93GzwBTFuUOozCm.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/3CtTdKo93GzwBTFuUOozCm.
經典新年金碟, Vol. 2: 富貴花開迎新年 (修復版)