ISRC QZ5AB1638538
Verified recording
QZ5AB1638538 is “The Seasons, Op. 37A No. 10 "Nostalgia: Retrospection in Golden Years"” by Johann Sebastian Bach,
registered on the CopyrightChains blockchain with CopyrightID
0x6115965994840554cc0b8ed8b9cb4620116f2d850f7f91cf70471152a7940974 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB1638538.
Recording identifiers
- ISRC
- QZ5AB1638538
- Title
- The Seasons, Op. 37A No. 10 "Nostalgia: Retrospection in Golden Years"
- Artist
- Johann Sebastian Bach
- CopyrightID (CopyrightChains transaction hash)
0x6115965994840554cc0b8ed8b9cb4620116f2d850f7f91cf70471152a7940974
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:5bd026af9e0ac936d1f3b5cea09e3e25a260b8b16620f036e41154e3b04d0e76- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB1638538
- Bitcoin block existence check
- https://blockstream.info/api/block/956302
Full record
Track page: The Seasons, Op. 37A No. 10 "Nostalgia: Retrospection in Golden Years" · Machine-readable JSON-LD