Op Een Bankje

Recording by Sef.

Recording identifiers

ISRC
NLG661100487
CopyrightID (CopyrightChains transaction hash)
0x127a45260274bea530d5e501b89cb6feabb67e079a14505ee5dec8df194f2a0a
Copyright registration time
2026-06-18T19:59:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:0a28c3b47c3009cea9e5f7707c4bfcae5805cf75bc4b61345152705bf0fca58c

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.