Opening Night Jazz (from Jazz Rags & Blues, Book 5)

Recording by Martha Mier.

Recording identifiers

ISRC
GBEYQ2032321
CopyrightID (CopyrightChains transaction hash)
0xe804d753e61032a8eae2591a1dc1027a1711b63b74bb7daf3824bbdeb9bdbc65
Copyright registration time
2026-07-06T06:55:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:864639a6c73ff398e2f8757d2e4ae8652d24a25b1759de651a20064e9b1c5ada

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.