"Macho Macho" is a song recorded in 1988 by Austrian singer Rainhard Fendrich. It was Fendrich's most successful song. It did not only reach the top of the Austrian charts, but also #2 in Germany and
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 0x7abe6796b6952e24365dbb3fd194476bb096c130f8178bc7e057b3fae04c8ac4. Chain 2 (Bitcoin): anchored in block 954047 (2026-06-17T04:56:08Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/41a05eda-15ca-4bf4-a599-d2e522178af1.json and https://artists.proofprofile.net/proofs/artist/41a05eda-15ca-4bf4-a599-d2e522178af1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Climb a Tree/What's the Worst That Could Happen?