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 artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad0e1718af4ec3841d7b1e3f7a40dd6ebb194769dfd208148f62acb0b129e67. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cc01a91a-2693-43e6-b3b7-98837b4251e1.json and https://artists.proofprofile.net/proofs/artist/cc01a91a-2693-43e6-b3b7-98837b4251e1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Eventyret om Dustemikkel - med forteller
Glad Apekattsang - Song For Happy Monkeys (F4 Flex 4)
Frøken Kråkes dyreskoleorkester (Mrs. Crows Fabulous Orchestra)
Lime Tree Islet - New Music for Flexible Instrumentation - Demo Tracks 2017-2018
Jonas I Jungelen - Glad Apekatt (F7 Solo)