Bardenklänge, Op. 13: Capriccio

Recording by Johann Kaspar Mertz.

Recording identifiers

ISRC
QMZ621402852
CopyrightID (CopyrightChains transaction hash)
0xf815889e5e788863863bbd23841459ff6902100756cb82c5b048dec512938ebc
Copyright registration time
2026-07-31T15:06:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T16:07:24Z
Bitcoin block
960429
Canonical record hash
sha256:938058f479c57b3963cb455c4ae5c04ad8b03d05859470212ac0b375cd916532

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.