Blues for D.P.

Recording by Grover Washington, Jr..

Recording identifiers

ISRC
USSM19912610
CopyrightID (CopyrightChains transaction hash)
0xefbc13575783ac5a94075dcba42a9a96959655d2df29a799d8cdf6385ffeff1f
Copyright registration time
2026-07-07T03:16:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d8b92b0d17e3110961464a63c780bf1c6084b69629ba6304ad6a7f2070bb02f2

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.