ISRC QM6MZ1482156
Verified recording
QM6MZ1482156 is “The Old Piano Roll Blues” by Quarteto Em Cy,
registered on the CopyrightChains blockchain with CopyrightID
0x1e395fa3aedc36e4e35536bfa7b878fcd41c92fe41399649c1b8ec42b944ef9b and independently timestamped
in Bitcoin block 960459 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1482156.
Recording identifiers
- ISRC
- QM6MZ1482156
- Title
- The Old Piano Roll Blues
- Artist
- Quarteto Em Cy
- CopyrightID (CopyrightChains transaction hash)
0x1e395fa3aedc36e4e35536bfa7b878fcd41c92fe41399649c1b8ec42b944ef9b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T20:22:46+00:00
- Bitcoin block
- 960459
- Canonical record hash
sha256:f51a9993d83a074443949fcd301385e8d354fd5e1a23febc24e7698aca1b986a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1482156
- Bitcoin block existence check
- https://blockstream.info/api/block/960459
Full record
Track page: The Old Piano Roll Blues · Machine-readable JSON-LD