Mahler: Symphony No. 5 in C-Sharp Minor

Recording by Gustav Mahler.

Recording identifiers

ISRC
ES5087700010
CopyrightID (CopyrightChains transaction hash)
0xfc2a80a47f71e281a9c5be1049fa72459eb53868080aa1f69c6a538d5fec5700
Copyright registration time
2026-07-06T09:27:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:f42960c46f658e263b27e1717dbadad4272523febfe892bcd770eb6eecacb28d

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.