ISRC QZZ8A2433904
Verified recording
QZZ8A2433904 is “Work Focus Harmony” by Productive Work,
registered on the CopyrightChains blockchain with CopyrightID
0x39dfbe3519b3e11fd17f7c6615258258e7d2d0c4810a17ed4eb76fe9fada3799 and independently timestamped
in Bitcoin block 960473 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2433904.
Recording identifiers
- ISRC
- QZZ8A2433904
- Title
- Work Focus Harmony
- Artist
- Productive Work
- CopyrightID (CopyrightChains transaction hash)
0x39dfbe3519b3e11fd17f7c6615258258e7d2d0c4810a17ed4eb76fe9fada3799
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T22:27:44+00:00
- Bitcoin block
- 960473
- Canonical record hash
sha256:4596319423799db6d3ca6e94c261b893994318d740e2b5e66011c3cb28861491- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ8A2433904
- Bitcoin block existence check
- https://blockstream.info/api/block/960473