Requiem æternam (‘Air on the G string’ from Suite No 3 in D)

Recording by Johann Sebastian Bach.

Recording identifiers

ISRC
GBLLH1024314
CopyrightID (CopyrightChains transaction hash)
0xb2e3fe7ce6116af0f6c7d33fc5fef2a98a170613a0e0d7bdd7e48721bc5d30d6
Copyright registration time
2026-07-07T16:37:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3901a6b4689de669e40ebba1044ceac38bec214f3f0381aba12a6c4c071f0392

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.