16 Waltzes

Recording by Johannes Brahms.

Recording identifiers

ISRC
FR10S1611418
CopyrightID (CopyrightChains transaction hash)
0xa2b59bb00bfd1f930bc4dc1cd9d07490a5e26a24cf2ddb541129d485526a1939
Copyright registration time
2026-07-30T01:26:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48Z
Bitcoin block
960185
Canonical record hash
sha256:cf22a3813649ca57704ef44eb3f51cbb69d158adfc3dd8719feb0caa47244073

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.