Barbie Bones was a rock band from Bergen, Norway that existed in the period 1987 to 1993. The band started under the name Monalisa Overdrive, and released two albums before it was dissolved. Under the
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x552a1a546ee57b125e15566bbf3ac74dcf751dd50da5de9559cc8ffe29fb0128. Chain 2 (Bitcoin): anchored in block 954055 (2026-06-17T05:51:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/43732c2c-6e77-4d51-81cd-4a5b26e6ca33.json and https://artists.proofprofile.net/proofs/artist/43732c2c-6e77-4d51-81cd-4a5b26e6ca33.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).