Tragic Overture in D Minor, Op. 81

Recording by Johannes Brahms.

Recording identifiers

ISRC
UKJE71800114
CopyrightID (CopyrightChains transaction hash)
0x6ed0580ce79a22abdfa6169627a28d74ae744ccd0ad29ccbdf53a72f3bbaf30d
Copyright registration time
2026-07-07T06:46:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3f83975d24d8fc9606b2bbaf5a8571d95030c8057dbe59e9c6eeef4dbb30d685

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.