Harlem Nocturne

Recording by JLT - Johan Leijonhufvud Trio.

Recording identifiers

ISRC
DEWT22100019
CopyrightID (CopyrightChains transaction hash)
0x62589c4c6c9c8f04638090df4033ad52b9f658e716552c1df3da12a2aacf68d7
Copyright registration time
2026-07-07T14:37:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4aa3faee2afffb0a97403ea5b7d763b4c6c6c1fc5bb10f22aae51581452fef47

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.