Blues Melodic

Recording by Office Background Music.

Recording identifiers

ISRC
GBPS85536427
CopyrightID (CopyrightChains transaction hash)
0x2f66541fc3cf6bf328224d06f7f3ec76462b477fc78ae3418e38e5916be192c4
Copyright registration time
2026-07-31T06:40:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:a1229a6152099662c9059f6b56ef21be9ab744d1f7ffec010e2e71a609c79f81

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.