Oh Mama Mia

Recording by Jan Smit.

Recording identifiers

ISRC
NLK072300197
CopyrightID (CopyrightChains transaction hash)
0x8f6f05eea7e18582d7272faf5b4f6d3555be5b4983e5442e8c5bcbecc498bb53
Copyright registration time
2026-07-07T10:49:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:fb694ca7da1d73bd09232f508778e455c144cc855cc8446c47d164d64e733e59

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.