Fern Laverne

Recording by The Polish Ambassador.

Recording identifiers

ISRC
QZC5T2100094
CopyrightID (CopyrightChains transaction hash)
0x6239850e7c7946a260757ccef52191dc3bfdd71baebb80ab98311d1bcceab236
Copyright registration time
2026-06-24T13:02:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:743701a7d0157237a345e0c242c50709d6656f3efada0ebde0ef60748edef92c

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.