Bardenklänge, Op. 13: An Malvina

Recording by Johann Kaspar Mertz.

Recording identifiers

ISRC
QMZ621402848
CopyrightID (CopyrightChains transaction hash)
0x5e3b2820918ea55a25079981b6add05af33cec520764174d8124df3157cc7af6
Copyright registration time
2026-07-07T10:25:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:28eb863626eed0d724c52c23417896cc740a0ffdac1f08f6e3c7aceddf26f1eb

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.