A Blue Mural from Two Perspectives, Pt. 1

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA1700104
CopyrightID (CopyrightChains transaction hash)
0xf60ac8a36f6985808c0a444be91a70f2f4a03c0477359b29fbc0024f20b11dbe
Copyright registration time
2026-07-06T22:35:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:073e495b62255373243f09a8cfee177abf35f691f8a31f6f09686e7d4775b8cb

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.