ISRC GBQFY1140405
Verified recording
GBQFY1140405 is “Alto Saxophone Sonata, Op. 29: I. Andante maestoso” by Robert Muczynski,
registered on the CopyrightChains blockchain with CopyrightID
0x439e165711c66a76bc633f0e22601bcb0abb8ee76a65dc0511d6187982e84670 and independently timestamped
in Bitcoin block 960191 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQFY1140405.
Recording identifiers
- ISRC
- GBQFY1140405
- Title
- Alto Saxophone Sonata, Op. 29: I. Andante maestoso
- Artist
- Robert Muczynski
- CopyrightID (CopyrightChains transaction hash)
0x439e165711c66a76bc633f0e22601bcb0abb8ee76a65dc0511d6187982e84670
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T01:51:26+00:00
- Bitcoin block
- 960191
- Canonical record hash
sha256:ba6f825570fc4e1609c4ec7ba1a35d37566376e6769aa7626b85eeff68dff6cf- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQFY1140405
- Bitcoin block existence check
- https://blockstream.info/api/block/960191
Full record
Track page: Alto Saxophone Sonata, Op. 29: I. Andante maestoso · Machine-readable JSON-LD