ISRC QM6N21539487
Verified recording
QM6N21539487 is “Twelve Preludes For Piano (1953): I” by Galina Ustvolskaya,
registered on the CopyrightChains blockchain with CopyrightID
0xf9f66ba43599ed00f85f1dab8fafc2c7563e661c9b877b0cb6da2d8d4907aaf2 and independently timestamped
in Bitcoin block 959123 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21539487.
Recording identifiers
- ISRC
- QM6N21539487
- Title
- Twelve Preludes For Piano (1953): I
- Artist
- Galina Ustvolskaya
- CopyrightID (CopyrightChains transaction hash)
0xf9f66ba43599ed00f85f1dab8fafc2c7563e661c9b877b0cb6da2d8d4907aaf2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T11:35:32+00:00
- Bitcoin block
- 959123
- Canonical record hash
sha256:d8845916b6edd91f4c1acf07a4b5ae936df6ef675527f44afadf9e5b917fc5de- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6N21539487
- Bitcoin block existence check
- https://blockstream.info/api/block/959123
Full record
Track page: Twelve Preludes For Piano (1953): I · Machine-readable JSON-LD