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 0x91abd136be00a692a496b1aacbde924d49e97619a189d3359b205a2ceb44399a. 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/6845326a-604f-4e5d-9ce6-af8355c94b96.json and https://artists.proofprofile.net/proofs/artist/6845326a-604f-4e5d-9ce6-af8355c94b96.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
In The Mix 02: EDM, Trap, Dubstep, Drum & Bass
Global Underground - Afterhours (Digital Sampler)
The Future Is Yours (Ambassadeurs Remix)
Deep House Fever 03 (The Ideal Electronic Playlist)
You’ll Never See Me Cry (Ambassadeurs Remix)
Future Disco Presents: Poolside Sounds, Vol. 5
{"copyright_id":"0xfb0417ef889ccef12353543682ac76e38935a6b815d3e7549994c4300368c2bd","isrc":"GBFBC1501343","name":"You’ll Never See Me Cry (Ambassadeurs Remix)","registered_at":"2026-06-26T23:54:33Z","spotify_id":"4J8pP80giPMc6bpd5Sg4cT","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 0xfb0417ef889ccef12353543682ac76e38935a6b815d3e7549994c4300368c2bd. 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/4J8pP80giPMc6bpd5Sg4cT.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/4J8pP80giPMc6bpd5Sg4cT.
In The Mix 02: Drum & Bass, Dubstep, Trap & Deep House
Trip-Hop Music - The Must Have Selection
{"copyright_id":"0xcf3482277693b140e3cf4989e08562f2a50120682ee3c980d0f2a463dd78569d","isrc":"GBCFB1404221","name":"Say My Name - Ambassadeurs Remix","registered_at":"2026-06-09T16:45:34Z","spotify_id":"5DnuQTyZpSAqpvhuLAXy4M","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf3482277693b140e3cf4989e08562f2a50120682ee3c980d0f2a463dd78569d. 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/5DnuQTyZpSAqpvhuLAXy4M.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/5DnuQTyZpSAqpvhuLAXy4M.