ISRC QMZ621402849
Verified recording
QMZ621402849 is “Bardenklänge, Op. 13: Romanze - Andante, cantabile” by Johann Kaspar Mertz,
registered on the CopyrightChains blockchain with CopyrightID
0x3d7c462c2be561a27731719b8a795924f1d4df9cfe2f3917faf08a8356fe69c9 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621402849.
Recording identifiers
- ISRC
- QMZ621402849
- Title
- Bardenklänge, Op. 13: Romanze - Andante, cantabile
- Artist
- Johann Kaspar Mertz
- CopyrightID (CopyrightChains transaction hash)
0x3d7c462c2be561a27731719b8a795924f1d4df9cfe2f3917faf08a8356fe69c9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:0f4acac1ad228542f4c3258ec43ff2355e7d5a25a253d057c6b8780a8f8efb8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMZ621402849
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Bardenklänge, Op. 13: Romanze - Andante, cantabile · Machine-readable JSON-LD