ISRC QZZ4D2400028
Verified recording
QZZ4D2400028 is “These Days - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0x14bc31cc378e408409f117c9560476231124fb9a93e088faf30bcab72fbc3321 and independently timestamped
in Bitcoin block 960105 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400028.
Recording identifiers
- ISRC
- QZZ4D2400028
- Title
- These Days - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0x14bc31cc378e408409f117c9560476231124fb9a93e088faf30bcab72fbc3321
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T12:35:17+00:00
- Bitcoin block
- 960105
- Canonical record hash
sha256:97afa0aaca19d10a82bc6cbed7fbdecaeea86afe02be4c455d98bae46a2ffe62- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400028
- Bitcoin block existence check
- https://blockstream.info/api/block/960105
Full record
Track page: These Days - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD