Dues Blues

Recording by Bob Brookmeyer.

Recording identifiers

ISRC
AUXN22104868
CopyrightID (CopyrightChains transaction hash)
0x32145b8c3ba03fcc59eec9677356dfed2d2ff71e0c0cbd12713dcde9d6bb219e
Copyright registration time
2026-07-06T22:21:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:48bf88987b619aa9eca16f57ba97fa8dfc78ba1871352c581893c44f145f377e

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.