Symphony No. 5 in C-Sharp Minor: I. Trauermarsch

Recording by Gustav Mahler.

Recording identifiers

ISRC
USSM10900284
CopyrightID (CopyrightChains transaction hash)
0x1e4cb47518a992fc17a0c775a52a6f42c66978f0936adf814abd158b49eb7169
Copyright registration time
2026-06-17T22:49:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:67f29445c877adf16e72d53f9dc1d951bf902c2f908fdd8d8b17b229b932baef

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.