A Blue Mural from Two Perspectives, Pt. 2

Recording by Duke Ellington.

Recording identifiers

ISRC
DKEFA1700116
CopyrightID (CopyrightChains transaction hash)
0x799f69689d7b02db289ad62b714c9ea36c403359993246925b5e7b54f44d6556
Copyright registration time
2026-07-07T12:58:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0651b811b605c8d831974d08c5b862d38f7b07f2af39dc69ccd4fe278b6e9fd2

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.