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 0x195b3b58c3b1b92216099c9c0a4a3e1e2a4b71a15efa2170844931cb0c9d820a. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/986d9a79-fdab-471d-8ee0-fbaf96cbd436.json and https://artists.proofprofile.net/proofs/artist/986d9a79-fdab-471d-8ee0-fbaf96cbd436.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 0x6f79ea82683c07e791f26219fa5709e5a88753246f84b7e330278c0ae567b0f4. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3YRYIKNwt6x5Buji8U895e.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/3YRYIKNwt6x5Buji8U895e.
Home (25th Anniversary Remake) - Instrumental
落花如雨 (新传媒戏剧《小娘惹之翡翠山》主题曲)
{"copyright_id":"0x9309b13e789dce1a6878deff0cfb80ac0c380cbbcdf1b47ac6c92d6248cfb36a","isrc":"HKG079900272","name":"來夜方長 - 電影 \"玻璃樽\" 歌曲","registered_at":"2026-06-25T09:56:05Z","spotify_id":"4LVXHxRya6WTQpuX8gwk5P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9309b13e789dce1a6878deff0cfb80ac0c380cbbcdf1b47ac6c92d6248cfb36a. 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/4LVXHxRya6WTQpuX8gwk5P.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/4LVXHxRya6WTQpuX8gwk5P.
Favourite Local Hits from PolyGram 50th Anniversary 全民誦唱
{"copyright_id":"0xaf556dfd9c8e99a3a14ef74c97e610d9a04803096b4a303a56d221aecb5729fe","isrc":"GBSMU6443500","name":"Our Singapore - NDP 2019 Theme Song","registered_at":"2026-06-08T04:11:48Z","spotify_id":"3UDb3MiDrkUPLMvKBWy0Sn","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf556dfd9c8e99a3a14ef74c97e610d9a04803096b4a303a56d221aecb5729fe. 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/3UDb3MiDrkUPLMvKBWy0Sn.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/3UDb3MiDrkUPLMvKBWy0Sn.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8b027c66a2962a0f06fc4bfb2f426c026a6373f7ba9d49fea2071b54dabbff5. 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/65Ix41IAKicRxy1v2MljPf.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/65Ix41IAKicRxy1v2MljPf.
Favourite Mandarin Hits From ... PolyGram 50th Anniversary