Bardenklänge, Op. 13: Gondoliera

Recording by Johann Kaspar Mertz.

Recording identifiers

ISRC
QMZ621402856
CopyrightID (CopyrightChains transaction hash)
0xc1aa8d11b2fe1b23d6d73fcc1664341027b64a0136caf3f94a3dd09c7dc9de4f
Copyright registration time
2026-07-07T22:36:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1732225c479352364cf9662a21017253b4a65785265c1eb1912d4ac74ed57d39

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.