ISRC QZZ4D2400033
Verified recording
QZZ4D2400033 is “Headed Back to California - Live at University of Houston Coffee House 1970” by Guy Clark,
registered on the CopyrightChains blockchain with CopyrightID
0x2613106b1d2a3a43cdc78c44e93dd5425cafa6b4c2c5e780f205b1872120a57b and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400033.
Recording identifiers
- ISRC
- QZZ4D2400033
- Title
- Headed Back to California - Live at University of Houston Coffee House 1970
- Artist
- Guy Clark
- CopyrightID (CopyrightChains transaction hash)
0x2613106b1d2a3a43cdc78c44e93dd5425cafa6b4c2c5e780f205b1872120a57b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:763c2b3b1fd706993638a27b054efbc49809491cf7e37a964c9625892456a367- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ4D2400033
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: Headed Back to California - Live at University of Houston Coffee House 1970 · Machine-readable JSON-LD