Jij En Ik

Recording by Jan Smit.

Recording identifiers

ISRC
NLUR71800012
CopyrightID (CopyrightChains transaction hash)
0x31e00ee1282971ffb423e725e1631c1b293c4390b7228c90656b725b9a51a3ee
Copyright registration time
2026-07-22T13:59:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T14:10:55Z
Bitcoin block
959138
Canonical record hash
sha256:ad3dab9eb05bfc72db9e8d632079064ef3f8dffa42255940ae6e20f3b58e6120

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.