ISRC QZZ4D2400029
Verified recording
QZZ4D2400029 is “Hill Country Blues - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0xe8774cc6c35edef04b8fabdda8ab4aa4225c8df4646d8d90889b3126f7d0340f and independently timestamped
in Bitcoin block 957041 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400029.
Recording identifiers
- ISRC
- QZZ4D2400029
- Title
- Hill Country Blues - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0xe8774cc6c35edef04b8fabdda8ab4aa4225c8df4646d8d90889b3126f7d0340f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T13:25:45+00:00
- Bitcoin block
- 957041
- Canonical record hash
sha256:5d7ab3de5ccd45f0128b0d80748486ae0657d0c7af6e42412fa4c567986bce39- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400029
- Bitcoin block existence check
- https://blockstream.info/api/block/957041
Full record
Track page: Hill Country Blues - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD