Academic Festival Overture, Op. 80

Recording by Johannes Brahms.

Recording identifiers

ISRC
NLA506100133
CopyrightID (CopyrightChains transaction hash)
0x180bc34e92f1b0017a8598a421c956a23033b10e50ce7bf4daebf5d4c1c4f25b
Copyright registration time
2026-07-08T01:16:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:45897b5196ec24bb23b978c54aa265f5b04d26cdfd7f582241c5a7c13f29ac69

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.