Jazzateers were a Scottish underground pop/post-punk group, active for the first half of the 1980s. They recorded for Postcard Records and Rough Trade Records. They have also recently had their origin
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 0x2af9158b6179089952902be2dd97b8755362f1295d54dbc3d0e3b832d3de4d6f. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8da76f81-2664-43bd-bf1f-53a9d8689d4f.json and https://artists.proofprofile.net/proofs/artist/8da76f81-2664-43bd-bf1f-53a9d8689d4f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Don't Let Your Son Grow up to Be a Cowboy: Unreleased Recordings 1981-82