I Guess That's Why They Call It The Blues

Recording by Pierre Vangelis.

Recording identifiers

ISRC
GBSMU2083432
CopyrightID (CopyrightChains transaction hash)
0x542c8215fe83ccb95ec99861da2d5729aa653d5f9ee8523f1df6ec974adeafe3
Copyright registration time
2026-07-07T22:36:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:5a9bda58f00b9e32cb1d702aa04c966910cb7b5f29d0e5896bce2f585daeb9a3

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.