16 Waltzes

Recording by Johannes Brahms.

Recording identifiers

ISRC
FR10S1611416
CopyrightID (CopyrightChains transaction hash)
0x11547434a2c6e228c11e1094e73dfcd4a8ccec55d28015b14b1edce7c5573019
Copyright registration time
2026-07-29T18:17:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:b3eec91f6a94c1a17cca046c4475a917a877add6fccc0af61bb8e1a20a03751c

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.