ISRC QZZ4D2400026
Verified recording
QZZ4D2400026 is “Wine and Cigarettes - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0x1474cc3c02e45fca3d1d47d32f540a1b8df9c8658df8f9550b8f51174a5f4ed7 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400026.
Recording identifiers
- ISRC
- QZZ4D2400026
- Title
- Wine and Cigarettes - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0x1474cc3c02e45fca3d1d47d32f540a1b8df9c8658df8f9550b8f51174a5f4ed7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:b3e91a3a79d3181043ec96edca658648ece3a9b94730982fb78b1964a9254776- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400026
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Wine and Cigarettes - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD