Symphony No. 2: IV. Urlicht. Sehr feierlich, aber schlicht

Recording by Gustav Mahler.

Recording identifiers

ISRC
GBDGQ1223009
CopyrightID (CopyrightChains transaction hash)
0x41276ae29b41307490e5a1a2274eb905b61b283651a50d74d502303ff6fb68f2
Copyright registration time
2026-07-07T14:54:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:69cde643d6282f8f1b5f4b8c5fa336c18874cf0747f73d09dbd5456685c57245

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.