Symphony No. 7 in E Minor: IV. Nachtmusik II. Andante amoroso

Recording by Gustav Mahler.

Recording identifiers

ISRC
DESR72036133
Release date of the album this recording appears on
2021-02-26
CopyrightID (CopyrightChains transaction hash)
0x30bff989ddf0f5d9af735451fed9cfbbac396550e7f9ddcb84c87b9d0f1bfe84
Copyright registration time
2026-06-19T04:09:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:f1b21f8c176723d018eccdcd46a2e122b95cc6485e8d56d57080a04b46dd3964

What this proof establishes

This recording was released in 2021, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.