ISRC QZGWW1976289
Verified recording
QZGWW1976289 is “These Old Blues” by Larry Sparks,
registered on the CopyrightChains blockchain with CopyrightID
0x15a393272c6d7adf9ee598f50af6f644fa78947abd20b2fb25b309bca41b06dc and independently timestamped
in Bitcoin block 960348 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1976289.
Recording identifiers
- ISRC
- QZGWW1976289
- Title
- These Old Blues
- Artist
- Larry Sparks
- CopyrightID (CopyrightChains transaction hash)
0x15a393272c6d7adf9ee598f50af6f644fa78947abd20b2fb25b309bca41b06dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:17:02+00:00
- Bitcoin block
- 960348
- Canonical record hash
sha256:a24d0569fa19d9b4140d256a72ad59ed38099a35e2435798374ee9e475283bf9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1976289
- Bitcoin block existence check
- https://blockstream.info/api/block/960348