Clarinet Lament

Recording by Duke Ellington.

Recording identifiers

ISRC
USSM10801502
CopyrightID (CopyrightChains transaction hash)
0x2e946d85d1c58ad4e52f3be349197f94a9c4cf34e5f2cca6fa181a6193bca6ac
Copyright registration time
2026-07-08T00:08:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:1eecce45965ca50cd5f9e55c31e712a055d3b42c91031a6005e5437dfddfcae7

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.