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 0x44c99d41318655f344595996b14d9448d2eaed1a4aaab745aaa1a75b60d58274. 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/4f322d11-32ec-42b3-8c01-6f2369bd172f.json and https://artists.proofprofile.net/proofs/artist/4f322d11-32ec-42b3-8c01-6f2369bd172f.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 0x6adcbeffe0c38da3878dd780646904d146042860e550cefa77dbfec3141168e2. 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/3MshXF4YQRoFw82plcsUge.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/3MshXF4YQRoFw82plcsUge.
{"copyright_id":"0xdb865b50bca32d92b0bfbb7a91b90db0cb507462b6668a4dd3d4e9ceb378f1bd","isrc":"USEE10250616","name":"Love Is a Mystery","registered_at":"2026-06-28T21:07:27Z","spotify_id":"1YYuP2A4gOB4xKAYRKfRNl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb865b50bca32d92b0bfbb7a91b90db0cb507462b6668a4dd3d4e9ceb378f1bd. 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/1YYuP2A4gOB4xKAYRKfRNl.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/1YYuP2A4gOB4xKAYRKfRNl.
{"copyright_id":"0xdb865b50bca32d92b0bfbb7a91b90db0cb507462b6668a4dd3d4e9ceb378f1bd","isrc":"USEE10250616","name":"Love is a Mystery - Remastered","registered_at":"2026-06-28T21:07:27Z","spotify_id":"5I0ey1vyms8pyBJwnPu5Co","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb865b50bca32d92b0bfbb7a91b90db0cb507462b6668a4dd3d4e9ceb378f1bd. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5I0ey1vyms8pyBJwnPu5Co.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/5I0ey1vyms8pyBJwnPu5Co.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adcbeffe0c38da3878dd780646904d146042860e550cefa77dbfec3141168e2. 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/52M14eMo8MEd6qJn0taY9t.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/52M14eMo8MEd6qJn0taY9t.
Magic!: The Best American Radio Rock Ever
{"copyright_id":"0x6adcbeffe0c38da3878dd780646904d146042860e550cefa77dbfec3141168e2","isrc":"USEE10184775","name":"Steal Away","registered_at":"2026-06-04T03:29:20Z","spotify_id":"7GpcoKkWfd2tNgReCsGbAt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6adcbeffe0c38da3878dd780646904d146042860e550cefa77dbfec3141168e2. 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/7GpcoKkWfd2tNgReCsGbAt.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/7GpcoKkWfd2tNgReCsGbAt.
Relaxing Classical Playlist: Music for Breakfast
Radio Days, Vol. 2: 100 лучших AM Pop хитов 60-х и 70-х
Radio Days, Vol. 2: 100 Am Pop Hits from the 60's and 70's
Radio Days, Vol. 2: 100 AM-Pop Hits aus den 60er und 70er Jahren
Smash Hits of The '80s & '90s (Re-Recorded)
{"copyright_id":"0xe451e6e68f22a1531d87b0dc8f13edf9a6141bacf148e0d023a6588a6e1b6a10","isrc":"USA370949697","name":"Steal Away","registered_at":"2026-06-10T17:02:42Z","spotify_id":"3oyTO7LitsUapbFmpqghsO","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe451e6e68f22a1531d87b0dc8f13edf9a6141bacf148e0d023a6588a6e1b6a10. 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/3oyTO7LitsUapbFmpqghsO.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/3oyTO7LitsUapbFmpqghsO.