The Marten

Recording by JLT - Johan Leijonhufvud Trio.

Recording identifiers

ISRC
DEWT22100017
CopyrightID (CopyrightChains transaction hash)
0x8cb65ebac50fcf705304bc99e688ef43fed9c705ecdfbd67544d272069529175
Copyright registration time
2026-08-01T03:45:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:30:37Z
Bitcoin block
960509
Canonical record hash
sha256:df832138c69125e2b6c7fdc5c82999297c0181cced52ff825360e73ec143b543

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.