ISRC QZZ4D2400031
Verified recording
QZZ4D2400031 is “Hold On Brother - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0xbe1dd3228c8e22dfc95497183b3ade7292b60daf26303e23ff3fbce42fe05895 and independently timestamped
in Bitcoin block 960099 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400031.
Recording identifiers
- ISRC
- QZZ4D2400031
- Title
- Hold On Brother - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0xbe1dd3228c8e22dfc95497183b3ade7292b60daf26303e23ff3fbce42fe05895
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T11:30:20+00:00
- Bitcoin block
- 960099
- Canonical record hash
sha256:fe98e146f4eb6eada3931758f471f1d9a87e5ed587d24a4e59043de13d744309- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400031
- Bitcoin block existence check
- https://blockstream.info/api/block/960099
Full record
Track page: Hold On Brother - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD