Bach, JS: Goldberg Variations, BWV 988: Variation XXVIII

Recording identifiers

ISRC

GBAYC1602296

CopyrightID (CopyrightChains transaction hash)

0x2aefbfbd9e04062d7d925a860c97440ab5b3f0d82ef0b4cede1c39ef19bc0a32

Copyright registration time

2026-06-26T19:40:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:359aabc02c2571b388bc180c1b26d797b7e4a7af08c68832fd837a2c3b6116ec

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.