ISRC QZN882142578
Verified recording
QZN882142578 is “Quintet For Who You Could Have Been Before I Knew You” by Haldeman,
registered on the CopyrightChains blockchain with CopyrightID
0x9f44517599944c71b3e2cc4d2b268342c86b82f3cd5a8bbf497087eced9c1157 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882142578.
Recording identifiers
- ISRC
- QZN882142578
- Title
- Quintet For Who You Could Have Been Before I Knew You
- Artist
- Haldeman
- CopyrightID (CopyrightChains transaction hash)
0x9f44517599944c71b3e2cc4d2b268342c86b82f3cd5a8bbf497087eced9c1157
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:a959ce7f97f9ac62bc8fae354ca7d62151dfd0549b5498c2dea12521b5c385d9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882142578
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Quintet For Who You Could Have Been Before I Knew You · Machine-readable JSON-LD