Oh Mama Mia

Recording by Jan Smit.

Recording identifiers

ISRC
NLA629700050
CopyrightID (CopyrightChains transaction hash)
0x870b68d936f1da208941f3d58cf128d88703253cd7b9cf65496ac892e9cc1808
Copyright registration time
2026-07-30T11:10:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T11:13:28Z
Bitcoin block
960250
Canonical record hash
sha256:dea678e63000610a2bfdc046b02b10926813d3ee7bfa187dc5880674f6c9d14d

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.