ISRC QMDA61377868
Verified recording
QMDA61377868 is “Piano Sonata in B-Flat Major, Op. 45 No. 1: I. Allegro cantabile” by Jan Ladislav Dussek,
registered on the CopyrightChains blockchain with CopyrightID
0xd4ff8ab22f6f3fcd7c93f8f8c669cc515cf6690b23860c280e904d196be3a076 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61377868.
Recording identifiers
- ISRC
- QMDA61377868
- Title
- Piano Sonata in B-Flat Major, Op. 45 No. 1: I. Allegro cantabile
- Artist
- Jan Ladislav Dussek
- CopyrightID (CopyrightChains transaction hash)
0xd4ff8ab22f6f3fcd7c93f8f8c669cc515cf6690b23860c280e904d196be3a076
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:2442fa765eb5d80e6f6b16f1d23f714663f37c0f8866e904751ce44ef3e22dc9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA61377868
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Piano Sonata in B-Flat Major, Op. 45 No. 1: I. Allegro cantabile · Machine-readable JSON-LD