Ja Jij

Recording by Paul de Leeuw.

Recording identifiers

ISRC
NLD459700002
CopyrightID (CopyrightChains transaction hash)
0x7fc6e4ee1a241a0dffcf7768786f9c63a303200a31c47f7a047e27b58f249a70
Copyright registration time
2026-07-06T03:33:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:e520461f4698d522dd063a884535a54ed9f9f0dc99e35bdf6274f7de70c0ea05

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.