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

Recording by Gustav Mahler.

Recording identifiers

ISRC
SEAEX1726010
CopyrightID (CopyrightChains transaction hash)
0x3f84cb3dace52aeed7ddf57a961f9a4f240c74d318189f302b8822e76110c72d
Copyright registration time
2026-07-07T13:34:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8902032682b2ba179b1705074bd2681fadfc08d4982df8812a928404ea40e190

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.