Totenfeier (1st Version of Symphony No. 2/I)

Recording by Gustav Mahler.

Recording identifiers

ISRC
DEF059605900
CopyrightID (CopyrightChains transaction hash)
0xc77f986701146a5b8a5291b4b68b760546b4302eb72d886609deb457d368d6e7

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:efd47f382120f0dd055602cf7a0e371a8ccbb205bd8b6d00d43a6e6d9753b3d0

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.