Velvet Brass (1)

Recording by Keith Mansfield.

Recording identifiers

ISRC
GBBGL6800393
CopyrightID (CopyrightChains transaction hash)
0xf2067cc8c4f43d1a9b6c73f4a07b58d1c0032520e76ee9bf188a11293056e7b9
Copyright registration time
2026-07-07T10:45:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:890d70d21f41130d8bdebdc8a242b0b70d27003ae2fed89dfef07061d1da84f6

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.