Mamma Mia

Recording by Birgitta Wollgard.

Recording identifiers

ISRC
SEAYD7614100
CopyrightID (CopyrightChains transaction hash)
0x378228254e83bffa404e4b8aec06b3bcf70656a4dffa13edce9a121232bbae46
Copyright registration time
2026-06-26T18:15:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0a8d464048da68fd2b01344d549dd5e240b312b449b3d24f53a2ddefdfa569ba

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.