ISRC QZZ4D2400025
Verified recording
QZZ4D2400025 is “Corina Corina - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0x5cfbf53017df6fa7ff991c9f951cf1c4175573b69405b674e98302f0a702eed2 and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400025.
Recording identifiers
- ISRC
- QZZ4D2400025
- Title
- Corina Corina - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0x5cfbf53017df6fa7ff991c9f951cf1c4175573b69405b674e98302f0a702eed2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:a4383601b331506a8094c1cdaec19a063d7753ea5b6d13d2027d50ddd54b7b08- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400025
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: Corina Corina - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD