16 Waltzes

Recording by Johannes Brahms.

Recording identifiers

ISRC
FR10S1611425
CopyrightID (CopyrightChains transaction hash)
0x09005f50f74bb83eff4e489c5f943c76a676c9a4a2537aae4d7be7ed8674acbf
Copyright registration time
2026-07-07T03:17:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:3c61f62cf24c191491683902127526fd69d524d9e02c0e0f4f0e8ad7e107919b

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.