Hey Jij!

Recording by Willem Barth.

Recording identifiers

ISRC
NLX092100049
CopyrightID (CopyrightChains transaction hash)
0x0024c993871ff0da4b57b761042236f65d6e6a17c41e8c1bd6cbfbb1f5dec8c4
Copyright registration time
2026-06-09T20:37:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:9098ea65e4a0859adf502b6373973a86a6a4ab1d1257ab1fe00801eec2d0aecb

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.