ISRC QMDA61350823
Verified recording
QMDA61350823 is “Romance for Violin & Orchestra No. 2 in F Major, Op. 50” by Fritz Kreisler,
registered on the CopyrightChains blockchain with CopyrightID
0x9b06980fbdff50d4236ac40c1e6c43587e6cc2407dd8735072fd04064b8dcfd0 and independently timestamped
in Bitcoin block 960376 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61350823.
Recording identifiers
- ISRC
- QMDA61350823
- Title
- Romance for Violin & Orchestra No. 2 in F Major, Op. 50
- Artist
- Fritz Kreisler
- CopyrightID (CopyrightChains transaction hash)
0x9b06980fbdff50d4236ac40c1e6c43587e6cc2407dd8735072fd04064b8dcfd0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T09:09:19+00:00
- Bitcoin block
- 960376
- Canonical record hash
sha256:773be90ea36fbb8f1718f0162438e1db4e2c8fd295da6b49aa7930c8c6c280a2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61350823
- Bitcoin block existence check
- https://blockstream.info/api/block/960376
Full record
Track page: Romance for Violin & Orchestra No. 2 in F Major, Op. 50 · Machine-readable JSON-LD