Summertime

Recording by Duke Ellington.

Recording identifiers

ISRC
FR8X02301609
CopyrightID (CopyrightChains transaction hash)
0xabb912a8bb1d16a4ea7ed8bd37de9775b1404921f8da32267f779074c663a785
Copyright registration time
2026-07-06T10:20:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T23:10:32Z
Bitcoin block
957055
Canonical record hash
sha256:c6c070d6ec5fe22856818155dfe4eaeb8789bd32f40ef29aa24c66d785a1b097

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.