Symphony No. 7: II. Nachtmusik. Allegro moderato

Recording by Gustav Mahler.

Recording identifiers

ISRC
NLA460914612
Release date of the album this recording appears on
2019-01-01
CopyrightID (CopyrightChains transaction hash)
0x8f45f6e352ab09da6914c3cdb5f39e321c3cbccf34189f520d9e41c3ab65050e
Copyright registration time
2026-07-07T06:53:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5c07f877972276c00bbb4cf16695e9db08085289ac5014b520d205c233accc4c

What this proof establishes

This recording was released in 2019, 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.