Spasmodique was an underground rock band from Rotterdam, The Netherlands from 1981 to 2005. Sound Spasmodique formed at the height of new wave's popularity and existed somewhere near that genre's pos
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 0xc026c8d53db3e56ac6a8fed2938f9deea5a1afd971f321ee0b395a85c94b5468. Chain 2 (Bitcoin): anchored in block 954689 (2026-06-21T10:35:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e201dd27-e889-4747-bf4a-9647a9a7a59f.json and https://artists.proofprofile.net/proofs/artist/e201dd27-e889-4747-bf4a-9647a9a7a59f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).