Goodbye Blue Sky

Recording by Pink Floyd.

Recording identifiers

ISRC
GBN9Y1100101
CopyrightID (CopyrightChains transaction hash)
0x7ada27d5fa529555c7b7c158f4b3e937624caa722cf73278d49283859f1aca53
Copyright registration time
2026-06-01T12:47:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:5fceb51311e5f68488a6e7ad73c191ec077c9e6afb14d0331256d8ae6226968b

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.