ISRC QZZ4D2400021
Verified recording
QZZ4D2400021 is “Spring Thing - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0x537c383736d98a4f054f168732f948d271c3d745c4bdd5de30a8dbfa0ff13f13 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/QZZ4D2400021.
Recording identifiers
- ISRC
- QZZ4D2400021
- Title
- Spring Thing - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0x537c383736d98a4f054f168732f948d271c3d745c4bdd5de30a8dbfa0ff13f13
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:983c9d87a97d6308bbf0d6ae6c6a1eb7bf3bb9aedb12bd7b3941e6b3dabdae8c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400021
- Bitcoin block existence check
- https://blockstream.info/api/block/956889
Full record
Track page: Spring Thing - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD