ISRC QMDA61350822
Verified recording
QMDA61350822 is “Nocturne No. 20 in C-Sharp Minor” by Dubravka Tomšič,
registered on the CopyrightChains blockchain with CopyrightID
0x052d98be0722c088008d9888405712578666074816bf5ca28712345ad7083eb5 and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61350822.
Recording identifiers
- ISRC
- QMDA61350822
- Title
- Nocturne No. 20 in C-Sharp Minor
- Artist
- Dubravka Tomšič
- CopyrightID (CopyrightChains transaction hash)
0x052d98be0722c088008d9888405712578666074816bf5ca28712345ad7083eb5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:98fb18b49e72cee8cd0416c1058239b457d248292f2eae34ce5e42dfdde3a6ac- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61350822
- Bitcoin block existence check
- https://blockstream.info/api/block/960334
Full record
Track page: Nocturne No. 20 in C-Sharp Minor · Machine-readable JSON-LD