Waltz, Op. 39 No. 3 in G-Sharp Minor

Recording by Johannes Brahms.

Recording identifiers

ISRC
USSM11605122
CopyrightID (CopyrightChains transaction hash)
0xf5e41b6c8e05972480fc8e87e5eac8260d678d2f2daa2c4fa9ee3770b3a1535e
Copyright registration time
2026-07-07T06:10:15+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:28f98015a84845854c73db23e9f32a44a5181770b949327fdb6eb95236dbadfa

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.